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The Complete Idiot's Guide® To iPad and iPhone App Development by Troy Brant

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Frenemies

The term frenemy has recently become popular to describe someone who is part friend, part enemy. This person could be your neighbor who always has to one-up you with Christmas decorations. Or maybe it’s that Facebook friend who never responded when you spammed your friend list for numbers since you lost your phone. You know the type.
The way Twitter is structured, you can follow someone, but they do not have to follow you back. For the Frenemies application, this situation defines a frenemy: someone you follow who doesn’t follow you back. You create an app that identifies these supposed friends (jerks!) while at the same time demonstrating how to use table views in a real application.
Discover all the people on Twitter you follow ...

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