If you missed the original keynote address on announcing the launch of BlackBerry 10, BlackBerry has posted the video of it on their YouTube site.
Published on Jan 31, 2013
Full keynote speech from the BlackBerry 10 Global Launch Event, where CEO Thorsten Heins and Vivek Bhardwaj unveiled the new BlackBerry 10 smartphones.
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 This may not be the most exciting presentation, but it does detail everything that the BlackBerry 10 devices will have.  Not to much is said about the BlackBerry PlayBook, or when we should expect it to receive the upgrade to BlackBerry 10, but BlackBerry fans will be drooling over all the exciting new features these devices will have.