venturebeat.com — Fred Wilson, managing partner at Union Square Ventures , shed some light today on why his VC firm invested in search engine startup DuckDuckGo , even as it pales next to Google and Bing. DuckDuckGo has seen incredible growth in the past few months, and it doubled traffic from 500,000 searches a day in December 2011 to 1 million searches a day by mid-February.