Do twitter and tumblr apps on the iPhone still use the internet even if the app isn’t opened up?

by johnscotthaydon Question by JessicaMarie(;: Do twitter and tumblr apps on the iPhone still use the internet even if the app isn’t opened up? I know that if you’re using wi-fi then at&t doesn’t charge you for the internet, but if you’re using the Edge network, then you’re charged. But if you have apps like […]

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