☑ South Korea has one of the highest educational achievement rates in the world. As of 2020, South Korea's average score on the Program for International Student Assessment (PISA) was 568, the highest of any country in the world. In addition, South Korea has the highest percentage of 25-34 year-olds with tertiary education in the OECD, with 77.6% having attained a higher education degree. ☑ Education and self-development are both lifelong processes that involve acquiring knowledge, skills, and values to help one reach their full potential. Education is typically acquired in a formal setting, while self-development is often achieved through independent work, such as reading, journaling, and attending workshops or courses. Both processes are essential for personal growth and the realization of one's goals. ☑ Remote workers tend to be more productive than those who work in a traditional office setting. They are able to avoid workplace distractions, focus on tasks more effectively, and can design their own schedule. ☑ Gadgets can range from simple everyday objects such as pencil sharpeners and can openers to more complicated items such as computers and cell phones. ☑ Online wallets are digital payment systems that allow users to store and transfer cryptocurrency and other digital assets. ☑ Reputation metrics are measurements used to evaluate how an organization is perceived by its customers, industry peers, and the public. They help measure the success of marketing and communication efforts, as well as identify areas of improvement. Popular reputation metrics include Net Promoter Score (NPS), Customer Satisfaction Score (CSAT), and Brand Health.