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There are no hard and fast rules on Twitter about who you must and must not follow, but there are some norms about when you should and should not follow people.

First, remember that you can't and shouldn't try to follow everyone.

There are thousands of tweets sent every second, so there's no point in trying to read every interesting tweet out there.

Additionally, who you follow on Twitter is visible to everyone who looks at your profile.

If you follow thousands and thousands of people, it will be clear to your profile visitors that you are following them for the sake of following them, and that you're not really interested in the tweets of people you're following.

There is also additional monitoring of your account that happens once you follow 2000 users.

Another thing to remember is that it's generally considered polite to follow someone back if they follow you.

This is particularly true if you know the person in real life, or have conversed with them on Twitter or other websites.

Keep in mind that if you don't follow someone in return, it can seem like a snub.

You can always unfollow them later if you need to.

Follow1. To subscribe to the activity, messages and/or content of another member of a site; 2. to click on a link.RulesA feature in Web applications that allows users to set conditions and auto-categorize different items.TwitterA popular microblogging platform that lets users connect and share information with friends, celebrities, companies and more via short messages.TweetThe standard microblog post on Twitter, which is limited to 140 characters.ProfileA centralized presence on a Web application or website.Account1. A record of a user in an application; 2. the highest level of management in AdWords where an advertiser controls their administrative settings to be applied to every level below.BackA feature of Web browsers that lets users return to the last Web page viewed by clicking on the "back arrow," which points to the left and is typically located in the upper left hand corner of a Web browser. The keyboard shortcut for Back is typically the "Backspace" key.WebsiteSite; a collection of related Web pages containing images, videos or other digital assets.LikeAn endorsement of a product or service, piece of content or post. The term was made popular by Facebook and now can be found on a variety of Web applications that both use "Likes" within their own site and push them to Facebook.Twitter2132Understand Twitter's Following Rules