MakeTechEasier: "Screenr is a cross platform web based tool that let’s you make screencasts that can be played almost anywhere, including on mobile devices such as the iPhone."
platform web18 Million Twitter Users by End of 2009Mashable! Mon, 09/14/2009 - 09:13
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Twitter’s traffic has grown tremendously in the past year, but how many people are actively using the service versus casually passing by?
