How to Use AI to Boost Work Productivity: A Guide to Tool Selection and Application by Field

Investing is not a gamble that should come at the sacrifice of your career, health, or family. This process will teach you how to build a reliable 'automated investment system' so that you don't waste precious time trying to time the market or getting swayed by its volatility. The core is simple: 'discarding market timing,' 'DCA automated investing,' and 'long-term investing for over 10 years.' You can experience the magic of compounding through DCA by consistently investing in high-quality assets over the long term. Point 1. A long-term investment system built with blue-chip US stocks and ETFs - Understand how to construct a portfolio centered on top-tier US stocks (TOP9) and ETFs - Build an investment structure that remains unshaken by market timing through DCA (Dollar Cost Averaging) Point 2. Long-term investment strategies to maximize the power of compounding - Understand the significance of long-term investing for over 10 years and the principles of compound growth - Correct common investment misconceptions regarding inflation risks and loss of principal Point 3. Investment strategies completed with tax-efficient accounts for employees - Summary of key benefits of tax-efficient accounts such as Pension Savings, IRP, and ISA - Understand practical investment strategies using US ETFs listed on the domestic market

Can you create a service with your ideas even if you don't know how to code? With AI, it is possible! In this course, you will experience the entire process of turning an idea into a real web service using "Vibe Coding" tools used in the industry, such as Gemini, Lovable, Antigravity, Cursor, and Claude Code. You won't just learn how to use the tools; you will master a new way of service development in the AI era—from planning and deploying to integrating payments. Point 1. Master 5 Core Vibe Coding Tools - Hands-on practice with core features and applications of Gemini, Lovable, Antigravity, Cursor, and Claude Code - Understanding the Vibe Coding development method of collaborating with AI Point 2. Building a Real Service Without Coding - Hands-on process of planning and implementing a book recommendation web service - Understanding the entire service creation flow: Idea → Development → Deployment Point 3. Practical Skills for Service Launch and Operation - Understanding domain purchase, server setup, and the deployment process - Learning core operational technologies such as payment module integration and SEO settings

"When war breaks out, gold prices rise, the dollar strengthens, and inflation surges. Why does this pattern repeat? This lecture breaks down the economic structures that move following a war, focusing on core concepts. By understanding these trends, you will be able to read the direction of interest rates, exchange rates, and assets, establishing a standard to protect your wealth even in uncertain times. We will clearly and easily explain the economic trends that every office worker must know. Point 1. Understanding Post-War Economic Structures - Summarizing the core flow of how war, tariffs, and supply chain shifts change the economy - Structurally understanding the economic order that has changed since globalization Point 2. Core Principles of Reading the Flow of Money - Explaining the interconnected reasons behind movements in gold prices, the dollar, oil prices, and interest rates - Understanding the response mechanisms of capital markets and the real economy all at once Point 3. Standards for Reading Economic Trends Amidst Change - Summarizing key points that must be monitored amidst changes in inflation, interest rates, and economic conditions - Securing economic judgment standards to understand trends and respond to changes"

Many office workers are failing to properly protect their hard-earned money because they miss out on refunds they didn't know about or pay more in taxes than necessary. Studying taxes is not about memorizing difficult legal knowledge. It is the most practical form of financial management—understanding your pay stub and protecting your own money. In this lecture, we will cover the core tax strategies for office workers to actually save money and build assets, ranging from year-end tax adjustments to income management and tax-saving accounts. Point 1. How to protect your salary through year-end tax adjustments - Understanding tax-free items and deduction structures in your pay stub - Year-end tax adjustment strategies to increase refunds, such as personal and housing deductions Point 2. Tax strategies for managing income safely - Understanding the tax structure you need to know when additional income occurs - How to legally save on taxes when filing global income tax Point 3. "Tax-tech" strategies to build assets using taxes - How to utilize tax-saving accounts like ISA, IRP, and pension savings - Investment tax management strategies to increase after-tax returns

This course is a lecture that focuses more on 'what attitude to invest with' rather than 'which stocks to buy.' Through questions from Ahn Seung-chan, who runs the 1.3 million-subscriber YouTube channel <Understanding: All the Knowledge in the World,> and answers from Kim Hak-kyun, a 30-year veteran analyst and Head of Research at Shinyoung Securities, we deliver the most important criteria for investing. Center Head Kim Hak-kyun, who has experienced both market booms and crashes for over 30 years, organizes the investor's mindset based on practical experience—covering the history of stock indices, human investment psychology, the power of compound interest, and investment habits that never fail. This course is not about flashy techniques, but a process of building investment principles for long-term survival.

In the AI era, you don't need to know how to code. What matters is not development skills, but the ability to work with AI. This course is a hands-on lecture where non-developer professionals use Cursor AI to build their own tools for automating repetitive tasks. From Excel automation and document generation to webpage creation and business dashboards, you will follow step-by-step for 3 hours to complete your own results.

Are you still using Google Sheets simply like Excel? If you use Google Sheets properly, you can significantly reduce the time spent on collecting data through copy-pasting, getting confused by the latest files, and fixing formula errors. Try automatically operating reports and dashboards that are always up-to-date based on real-time data connections.

Are you using AI but still unable to get it to do the work for you? This course is not just about simple usage; it is a process of creating your own "high-performing AI assistant." By mastering everything from prompt principles to personalization settings and task automation at once, you can delegate repetitive tasks to AI and create a new way of working that allows you to focus on your core responsibilities.

The most rapidly emerging task automation tool recently is 'Claude Code.' Through Claude Code, you can deploy AI agents within your computer that work exclusively for you and create a system where repetitive tasks are assigned to the AI one by one. Try automating 100% of the once-exhausting tasks like PPTs, reports, and Excel work.

This lecture does not view investment as a matter of "stock picking," but rather starts from understanding how asset prices have been formed and changed over the long term. It summarizes the essence of the 21st-century investment environment, created by the combination of ultra-long-term asset price trends, changes in currency value, and the structure of technology and hegemony. It provides investment criteria based on the shifts of the era, enabling individual investors to make judgments without being swayed by short-term trends, even in a highly volatile environment.

Wars, conflicts, and shifts in alliances happening around the world are no longer stories of distant lands. We are now in an era where these changes directly impact exchange rates, interest rates, industries, and the personal investment environment. Instead of consuming international affairs as "difficult news," this lecture starts by understanding why these conflicts recur and where capital moves as a result. To ensure that individual investors do not lose their way amidst global uncertainty, Professor Park Jung-ho provides an investor's perspective on reading the world order.

Dozens of economic news stories pour out every day, but it is not easy to determine what they actually mean for your salary and assets. This introductory course focuses on reducing the frustration felt when you don't know much about economics and organizing the criteria for interpreting the economy all at once. Rather than learning basic concepts like interest rates, prices, and the business cycle in a difficult way, we focus on explaining why they are important and how they are connected.

Are you using AI but still unable to get it to do the work for you? This course is not just about simple usage; it is a process of creating your own "high-performing AI assistant." By mastering everything from prompt principles to personalization settings and task automation at once, you can delegate repetitive tasks to AI and create a new way of working that allows you to focus on your core responsibilities.

You will systematically learn the principles and practical applications of the latest generative AI technologies, from ChatGPT to image and video generation AI and no-code tools. Through seven core topics, including prompt engineering, Copilot utilization, and AI extensions, you can maximize work efficiency and develop creative problem-solving skills.

This course is part of the 'Wrtn AI Literacy Voucher Program', a collaboration between Inflearn and Wrtn, and is available completely free for small business owners who are vulnerable to AI adoption. Are you busy running your store all day while also handling everything from Naver review responses to Instagram posts and marketing? This course is an introductory AI literacy program designed exclusively for small business owners to help AI share the burden of "marketing done by the owner themselves." Using generative AI and image, video, and no-code tools, you'll learn to handle everything from posters, menu boards, Instagram content, review responses, to DM management all at once. Without difficult coding, you'll create automated systems for reviews, trial groups, and DM responses using Google Sheets and automation tools (Make, Manychat, etc.)!

You might be able to create flashy images with AI tools, but what kind of content should you actually plan? And can you create a cohesive shorts video? We'll support you through six lectures to help you tackle these aspects as much as possible.

GenSpark, the AI super agent that smartly handles everything from PPTs, Excel, images, and videos to Vibe Coding! You've been waiting because there were no in-depth lectures or books dedicated solely to GenSpark, right?! Rated 4.8 by 100 students ⭐️⭐️⭐️⭐️⭐️ After using it for a year, I have organized all the detailed features into extensive study materials and a 4-hour lecture. If you know how to use it, GenSpark solves all your work; if you don't, it just eats up your credits. Increase your productivity by 300% through this lecture!

It's perfectly fine even if you have zero design experience. This is a practical course focused on using AI to quickly create high-click-rate thumbnails and monetizing them through outsourcing and digital products. We provide step-by-step instructions that even beginners can follow immediately, covering everything from generating copywriting phrases using ChatGPT to hands-on thumbnail design practice using Canva AI and image generation AI. You will learn how to create thumbnails for various platforms like YouTube, blogs, and social media. Furthermore, you will complete three types of sellable portfolios and learn how to generate side income on outsourcing platforms such as Kmong and Soomgo. After taking this course, you will go beyond simply making "pretty" thumbnails; you will understand the structure of thumbnails that drive purchases and establish a production process that leads to actual profit. This is a practical, monetization-focused course designed to help beginners reduce design time with AI and quickly generate their first profits.

The era of creating designs one by one is over. Experience the speed of turning "thoughts" into "results" with Canva AI.

You have likely seen many misleading lectures about monetizing AI music. Yes, AI music monetization is possible. It is simply not difficult enough to justify paying expensive tuition, nor is it a way to make easy money. This is an action-oriented course for those who are interested in AI music monetization but feel lost on where to start. Based on my personal experience of creating AI music, organizing albums, distributing tracks, and utilizing YouTube and TikTok, I have structured the workflow—from music generation and album planning to file preparation, distribution, and monetization setup—so you can follow along from the very beginning. This course does not guarantee profits; rather, it is designed to help you experience the entire process of releasing AI music and preparing for monetization from start to finish.

From server setup to blog and YouTube automation, build a complete AI workflow with n8n. We will practice creating a stable operating environment, covering Contabo VPS-based server installation, Ubuntu/Docker/Portainer environment setup, domain connection, and HTTPS security configuration. The course covers Search API and file server development using FastAPI and Docker, Airtable and n8n integration, building blog AI agents, and image/video automation. You will be able to complete a profit-generating automation strategy that can be immediately applied to actual service operations.

Build your own AI headquarters at a low cost! This is a practical guide to building autonomous AI agents that combine Gemini 2.5 Flash and Docker to ensure security while reducing costs.

Hi Guys. Welcome to my Full AI Course 2026: ChatGPT, Google Gemini, Midjourney, Firefly. In my course you will learn everything about all AI Tools. I have created video lessons on every feature of these AI tools. You will get to see the real practical implementation of how to use every feature of this tools.

The ultimate video editing powerhouse 🟪 Learn Premiere Pro and 9 AI services while creating 5 real-world projects to become a high-quality AI Shorts creator upon course completion 🔥 Don't learn from beginners—learn from an expert 😎

It covers the direction of employment, studies, and entrepreneurship in the era of AI.

Learn a complete workflow for efficiently creating your own e-book utilizing AI and automation tools. From slide creation with Marp and PDF/EPUB conversion using Pandoc, to MySQL database management, cover design, and publishing preparation, this guide provides a systematic production process applicable directly in practice, step-by-step.

Even computer novices OK! A lecture for those of you who paid 1-2 million won per detailed page. Now, with just PowerPoint and a laptop, you can create ultra-premium detailed pages yourself. A lecture that even provides 200 PPT templates where you just replace images~ A perfect package, including e-commerce design originals and 150 types of GIF content originals, normally only possible for experts! Now, significantly cut down on outsourcing costs! 🔴This is an early bird discount period commemorating the lecture's opening. Once the early bird period closes, the tuition fee will revert to its original price.

For beginners who are new to Midjourney, we'll show you how to combine and utilize the tool's various features in real-world practice. Beyond simply creating images, we'll go through each function one by one within actual workflows, explaining which features to use and why to achieve the styles and results you want. This course specifically covers omni-reference composition, image prompt utilization, prompt modification and restructuring, and methods for improving image aesthetics through Stylize (S-value) control. Rather than just learning the tool, this course is recommended for those who want to systematically master Midjourney usage so they can apply it immediately in professional work. Through step-by-step practice, this is a course where you can personally experience 'why prompts are written that way.'

AI Workflow Automation + Passive Income Generation in Just One Click!!! The ultimate tool for workflow automation, Make—were you hesitant to start because of its complex settings and features? Implement the automation of your dreams yourself with step-by-step lessons that even beginners can easily follow.

This is an introductory course on a mobile AI assistant workflow with vision capabilities: when you send a photo of a receipt via Telegram on your smartphone, OpenClaw and Gemini 2.5 Flash automatically analyze it and organize the data into your PC workspace.

Understand Transformer-based LLM architectures and GPU utilization strategies, and gain hands-on experience with the actual serving process using vLLM. This course covers the entire practical workflow, from building AI system pipelines to monitoring and multi-GPU utilization, and is designed for intuitive understanding through diagrams and practice without complex formulas.

The Gemini agent that works across Google Drive! Put the finishing touches on your Google AI workflow with overwhelming productivity.