Venture Capital Investment: March 09

Some interesting venture capital deals that took place in March this year are as follows:

Google has joined a $5.75 million investment round for Pixazza, a start-up that hopes to profit by overlaying photos on the Web with links that let people buy the products in the images.

Audience, a maker of mobile-phone technology intended to drown out background noise, has nabbed $15 million in a fourth round of funding. Investors in the latest round include New Enterprise Associates, Tallwood Venture Capital, Vulcan Capital and VentureTech Alliance.

Flat World Knowledge, an online textbook publisher, has landed $8 million in its first round of financing. Investors in the round include Greenhill SAVP, High Peaks Venture Partners and Valhalla Partners.

HyTrust, a virtualization start-up, launched its flagship product Monday with $5 million from its backers, VentureBeat reported. Trident Capital led the round, which included participation from Epic Ventures.

Revolution Money, an online payment firm backed by AOL co-founder Steve Case, said on Monday it has received funding of $42 million from a group that includes a Goldman Sachs affiliate and earlier investors Citigroup and Morgan Stanley, Reuters reported.

Redbrick Health, a provider of employer insurance, landed $15 million in a third round of financing led by Kleiner Perkins Caufield & Byers. Fidelity Ventures, Highland Capital Partners and Versant Ventures also contributed to the round.

Mostly sourced from Venture Beat. If you know of any other interesting venture finance activity please let us know.