The 140 Characters Conference (140conf) is a conference in NYC on the June 16-17 2009, about the effects of Twitter on various industries. Mahesh Murthy of Pinstorm was invited to speak there. Here is his presentation:
Here is Mahesh’s video from the event:

Mahesh’s pic, courtesy @lauriemeisel
Some stats about this post (because we all like numbers):
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Mahesh was one of two Indians invited to speak at 140Conf.
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This post first went up 15 minutes after his presentation there.
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One tweet from @Pinstorm generated 211 visits in half an hour. The number currently stands at 328.
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This one tweet generated 25 conversations on Twitter.
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The presentation was favourited by SlideShare and showcased on the front page.
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It was viewed 214 times on SlideShare alone.