Browser collaboration startup, GoInstant has been acquired by Salesforce.com for $70 million. GoInstant allows people to surf the web with each other in a shared session. The applications approach does not require downloadable plugins, but focuses on features purely in the cloud. This new type of web browsing is called co-browsing. Co-browsing can take place anywhere and across platform including desktop PC, laptop, tablet and pretty much any device that connects to the web.

Since it's launch GoInstant has raised $1.7 million in seed funding. With the acquisition cost at $70 million, the 20 person company will see quite a nice payout.

What's in it for Salesforce.com? Salesforce.com has been investing heavily in web conferencing solutions. In January 2011, it acquired DimDim, a web conferencing provider. The deal with GoInstant extends its capability to offer fully integrated, real-time social collaboration. It is a natural fit with Chatter, the Salesforce.com activity stream technology.

Learn more about GoInstant in this video