In this blog post, we examine the problems caused by social media legacies left unattended on the internet and the need for government-level management.   Raising the Issue The term “social media legacy” refers to all social media services—including online communities, forums, and blogs—used by deceased individuals, as well as their personal data. This digital legacy began accumulating...

In this blog post, I’d like to discuss the various problems caused by social media and the need for campaigns to address them.   Problems Created by Social Media SNS stands for Social Networking System, referring to online services that facilitate social connections through free communication and information sharing among users. With the widespread adoption of various platforms such as...

In this blog post, we’ll explore how the way we use TVs has changed and summarize the key features of Smart TVs.   Introduction When watching cartoons or documentaries set in the past, we often see scenes where neighbors gather around a small black-and-white TV to watch popular shows together. Now, some 50 years after TVs first became widespread in the late 1950s, the way people use TV has...

In this blog post, we will examine the role science fiction movies play in popularizing science and technology, as well as the positive and negative impacts that result from this.   Science Fiction Movies and Scientific Debate The recent controversy surrounding the movie ‘Gravity’ clearly illustrates the relationship between science fiction films and science. While some...

In this blog post, I’ll use the choice scene from the movie ‘The Matrix’ as a starting point to explore my thoughts on whether to choose the virtual world or reality.   The Matrix and the Moment of Choice In the movie ‘The Matrix’, Morpheus asks Neo to choose between the red pill and the blue pill. The red pill symbolizes “reality,” while the blue pill symbolizes the...

In this blog post, we compare overparenting—such as the trend of SAT prep schools—with genetic engineering, examining arguments against genetic modification as well as the logic in favor of it.   Raising the Issue For several years now, concerns have frequently been raised about the excessive fervor surrounding private education. Students in the Gangnam area spend anywhere from several...

In this blog post, we’ll explore the meaning and manufacturing process of low-fat foods preferred by people with S-curves and six-pack abs, as well as their role in dieting.   The Culture of Appearance and the Popularity of Diet Foods “Calorie Balance,” “Special K cereal,” and “Protein Shake Powder” are names familiar to South Koreans in their 20s and 30s as diet foods. These days...

In this blog post, we explain how to understand and evaluate the effectiveness of biometric systems using ROC curves.   Why Is Biometric Authentication Necessary? As the digital age has progressed, many industries—including finance—have integrated with IT, leading to the widespread adoption of services such as mobile banking and app-based cards. Strong security is essential for these...

In this blog post, we’ll cover the principles of RFID technology, how it differs from barcodes, real-world applications, as well as its challenges and future outlook.   RFID in Everyday Life If you think about a typical day for someone using public transportation, you’ll quickly realize just how deeply RFID has permeated our lives. From the balance on your transit card appearing every time...

In this blog post, we’ll explain the roles and characteristics of resistors (R), inductors (L), and capacitors (C)—the basic components of electrical circuits—in an easy-to-understand way.   Basic Components of the Digital and Analog Worlds As digital broadcasting and digital communications have become commonplace, many devices have been replaced by complex semiconductor-based electronic...