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 ...

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 ...

Make your iPhone easier to track down — even in the dark. Image: Killian Bell/Cult of Mac We want to help you master Control Center, one of the most powerful and underutilized features on Apple ...