The Lurker: This user spends the majority of their time on Twitter following other people, refraining from publishing any content themselves. You most likely won’t see much of this person, but they do constitute approximately 40 percent of the site’s user base, 35 percent of whom are probably overprotective mothers “keeping tabs” on their children.

The Middle Aged Businessman: This user joined Twitter after one of his colleagues invited him via InMail, or following he attended a Business and Technology Leadership Conference at his local Sheraton. The majority of his tweets sound something like this: “Productive meeting on the golf course today with @SoAndSo discussing the role of Extension Strategies in future success. @SoAndSo needs to hit the driving range! L.O.L.” or “Excited to learn about #MarketingSegmentation at #ICRM2014”

Unless this person is indirectly paying for your child’s college education, there’s no need to follow him.

The Entertainer: With such a low barrier to entry, Twitter provides all its users an opportunity to try their hand at stand up comedy. They “notice things”

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and they “hate it when”

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and “isn’t it funny?”

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Luckily for us. professional comedians are also online, and they are genuinely funny. Twitter provides them the opportunity to test out new material, try out different styles, and add new supporters.

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Comedian @RobDelaney’s stand-up and writing career took off after being voted “Funniest Person on Twitter,” although he would most likely fall in the next category.