San Francisco – StumbleUpon, the developer of a search
engine that delivers peer-sourced results matched to a user’s personal
preferences, said on Wednesday it has raised $17 million in its second round of

Investors included Accel Partners, August Capital, DAG Ventures, First
Round Capital and Sherpalo Ventures.

The company said it will use the proceeds
to bolster its core discovery technology, expand to new platforms and grow its
employee base.

Since closing its initial round of funding in April 2009, San
Francisco-based StumbleUpon has more than doubled its registered user base to
more than 14 million, and more than tripled its content recommendations, to over
800 million a month.


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