The advertising search site bought by Google has received $30m in venture funding since its launch in 2007.

In February, Orphazyme Aps raised DKr22m ($4m) in a seed stage round from a consortium including local investor, Novo.

Tencent, which in turn is backed by South Africa media group Naspers' corporate venturing unit, invested $84.4m in eLong for a 16% stake.

Buddy Media, a US-based social media marketing company backed by advertising group WPP, has bought peer Spinback, which helps retailers track the return on investment for their social media efforts.

Augmenix was founded by Incept, a holding company set up by Amar Sawhney and Fred Khosravi to hold the patents on water-based gels, in 2008.

Chesapeake has increased its stake in Frac Tech to 30% from 26%, newswire Reuters said, and it will gain a dividend from the buyout.

RMG acquires peer EMN, which provides place-based videos in airport executive lounges, such as United, Continental, Delta, US Airways and Alaska.

The integration of TransTech USA with Clareo Partners adds consultants in natural resources, energy and clean technology to Clareo's work with consumer packaged goods and technology companies, such as Kraft, Hewlett Packard, Alticor, Fulton Innovation and Zaharoff.

InfoEther is a technology consultancy specialising in the open source Ruby software development language and its related web development framework, Ruby on Rails, which is the basis of the technology upon which LivingSocial is based.

The combined company will operate as Overture Networks.