Think of Ping, a $1 app from Gary Fung as something akin to a Blackberry Messenger for the iPhone. With this app, you can send messages to other iPhones or iPod touches while avoiding text messaging ...
If you've ever played an online multiplayer game, you may have experienced lag at some point. Of course, it's frustrating and can affect your performance in a game. But why does that happen, and what ...
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