Twitter launches stock symbol cashtag feature, examples: $FB, $GE, $APPL bit.ly/OAvd5A

NBC and Twitter announce partnership for London 2012 Olympic Games bit.ly/N5vbAp

Betaworks plans to turn Digg back into a startup bit.ly/NYgTWc

Hasbro to release new Furby this Fall bit.ly/OGzLpJ

Twitter updates Twitter search, adds option to return only results from people you follow bit.ly/LHnul6

All of San Diego's Fourth of July fireworks went off at once via @newsalert

Video: PBS Off Book explores Reddit bit.ly/MzgtXR

Microsoft to acquire Yammer for $1.2 billion bit.ly/L0dWG4

Jakks Pacific to launch Nyan Cat plush toys this Fall via @toys

Twitter introduces new Twitter bird bit.ly/Khufho