This investment comes from Softbank, leading shareholder of Yahoo! Japan, and SK Telecom Ventures, the venture capital arm of SK Telecom; initial C Round investment of $35M was led by DCM. Put everything RockYou has amassed so far and you get an impressive number: 67 million dollars.
To put this into perspective, its competitor Slide raised $50M so far this year, Gigya raised $9.5 million in March, while Clearspring snagged $18M in May.
RockYou will use the funds on several fronts. First, they'll open offices in New York, Los Angeles and Detroit. Furthermore, they plan to expand into Asia-Pacific market; SoftBank and RockYou will set up a new joint venture company to develop widgets for use on PCs and mobiles in the Japanese, Korean, Russian, and Chinese markets.