Micro-blogging site Twitter that has evolved into a platform to spawn a democratic revolution in Middle East, has been used by celebrities as a mouth-piece and just recently legendary basketball player Shaquille O'Neal chose it to announce his retirement.

Instead of hosting a press conference, the NBA star used the ubiquitous micro-blogging site, which has given new meaning to the term brevity, to announce his retirement : im retiring Video: http://bit.ly/kvLtE3 #ShaqRetires

The url leads to a video posted social video start-up Tout, an iPhone app that allows users to send 15 seconds video on social media sites.

Here is the video taken from Youtube where Shaq breaks the news:

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