ReadWriteEnterprise

This week LinkedIn announced they are acquiring hosted search service IndexTank, and will incorporate their technology into the overall LinkedIn search algorithms. IndexTank powers the search behind Reddit.com, Spoke and Blip.tv, among others. LinkedIn claims more than 120 million members, with half outside the US and two million company pages on its service.

IntellectSpace announced this week ProspectVisual, another tool that can help integrate your social graph with your existing contact and customer relationship managers.

The service doesn't come cheaply: pricing starts at $2500 per seat per year, although quantity discounts are available. But the level of integration is impressive.