San Francisco-based startup PubNub, which provides real-time messaging to web and mobile apps, just raised a $4.5 million Series A round of financing led by new fund Relay Ventures and Silicon Valley's TiE Angels. The funding comes after PubNub broke a recent milestone of processing more than 100,000 messages per PubNub launched...

<A HREF="http://gigaom.com/2012/03/20/pubnub-funding/">Read More</A>