It’s a basic question and everyone seems to have a different answer. Frankly, I’m still figuring it out myself and I have been using Twitter since 2008. Technically, you don’t have to follow another user on Twitter to see what he is tweeting. You simply have to know what his username—or handle—is and pull it up online. To see my tweets, you would go to http://www.twitter.com/tracysamantha. (The exception, of course, is if a Twitter user has marked his account private and has to give you permission to view his tweets. But hardly anyone uses a private Twitter account, so we’ll skip this topic for now.) The reason you would follow a Twitter user is to “keep up” with what he’s tweeting. That is, of…