Strap provides you with free calls, free video calls, and free messages with any kind of attachments (video, photo, audio) to other Strap users. With Strap you can call any number in the world at very competitive Strap-rates. The tool supports audio conferences, so you can talk with all your friends at the same time. It allows you send text messages with delivery confirmation.
iMessage lets you send messages to anyone on a Mac, or an iPhone, iPad, or iPod touch running iOS 5.
It removes duplicate messages from the current selection in Apple Mail.
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