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orld football star Cristiano Ronaldo (Juventus) was born on February 5, 1985 and is now 33 years old. But according to British daily “Mirror”, Ronaldo ‘s athletic ability is similar to 20 years old. This

SNS such as Facebook, Twitter, Google Plus, and Instagram are easy and simple to use, and many people use it. So, many people expected that the blog service would disappear because of an easy and simple

Growth hacking is accomplished through the following process and it will be repeated between ‘Hypothesis establishment and planning’ and ‘Verification’ depending on the verification result. Goal Setting

The most talkative word in the IT industry centering around US startups in Silicon Valley is “Growth Hacking”. This is because companies that started with startups such as Facebook, Airbnb, and Twitter

AARRR is an analysis framework developed by Dave McClure, founder of Startups Elchelator 500 Startups. AARRR focuses on actionable indicators that can help you optimize and focus on improvements rather

In managing a business, both an outward-oriented ‘extrinsic’ competency and an internal-oriented ‘internal’ competency are required. It can be called “internal” competence to acquire or maintain a core

1. Sleep deprivation calls overeating. If you do not sleep late at night, the appetite hormone increases and the appetite suppressant hormone decreases. Changes in appetite hormones in sleep deprived states

As the latest block chain technology became widely known and published, hundreds of cryptocurrency were created. In a block-chain ecosystem, cryptocurrency serves as a means of delivering monetary value.

According to Recode, Starbucks’ mobile payment service subscribers exceeded Apple’s subscriber base. How could Starbucks mobile subscribers be able to exceed Apple’s subscriber base? Related Link Starbucks’s

Amazon CEO Jeff Bezos sends letters to shareholders every year. This letter contains Amazon’s current achievements and future vision. He also enclose that the first letter he sent in 1997 with the intention

A middle-aged man came to Pastor Norman Vincent Peale one day to ask him for counseling. The dejected man told Pastor Norman Vincent Peale. “Pastor, I have been doing business for a lifetime, and the business

I have been working as an IT freelancer for over 10 years and have had a chance to work with various clients. Working freelance, I feel that co-work with clients is a very important factor. When Cowork

Good timing is like a good choice. So what is ‘good choice’? A good choice is to decide what you need to do first. That is to do what you need to do right now and not to do what you can do later. Of course

1. brush your teeth after eating? We learned that in childhood we should brush our teeth immediately after eating rice. However, this is a common misconception in the days when common sense about tooth

In most cases, it is important for novice marketers to work efficiently by reducing the waste of work and increasing focus. He will not used to work, and maybe he have a lot of work to do. So I looked

Circulator? What is different from a fan? The circulator is the abbreviated name for ‘air circulator’. The air circulator actually has a different purpose than the fan. Unlike a fan that simply creates

According to Tom Corley, who studied 177 successful millionaires, successful millionaires had a common secret of success. Here are the 10 habits of successful rich men analyzed by Tom Corley. 1. They are

The way to go home late at night after a work or dinner. In a dark alley to go home. What if someone follow you quietly? If you do not experienced that the anxiety and the fear, you do not know. How long

In Korea, ‘stalking’ is a very light misdemeanor. However, there are many cruel and terrible cases of stalking that should be classified as violent crime. How about foreign cases? In foreign countries,

1. You may be stalking without your knowing. About 25% of men under 35 visit their ex-girlfriend’s social media profile once a month. Among young women, 20% said they would do this. Stalking is a terrible