Mysterious search engine Blekko finds $2.5M

Blekko, a stealthy San Francisco company that is sounding more and more like a search engine, has tacked $2.5 million onto its third round of funding, which now totals $14 million, according to Dow Jones VentureWire. The recent extension came from US Venture Partners and CMEA Capital, but it was previously backed by SoftTech Venture Capital, Western Technology Investment, Netscape founder Marc Andreessen, famed angel investor Ron Conway, and former Googlers Jeremy Wenokur and Danid desJardins.

The company has not released a launch date yet, and it’s website includes only a picture of a sock puppet. It has now raised about $20 million to date.

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