While neither Google nor Agnilux is saying much about their transaction, some say the buyout could bring Google server technology needed to support energy-efficient delivery of cloud-based services.

Also see:  

Google's other buyouts this year:

• , whose social search technology is based on getting your questions answered by those most expert in your online social circle. Google reportedly shelled out $50 million for the company. 

• , a maker of an iPhone app for searching Gmail and IMAP email accounts. The company's founder used to be on Google's Gmail team and now is right back there.