In September, US-based mobile devices manufacturer Motorola Mobility invested an undisclosed amount in Ooyala through its corporate venturing unit, Motorola Mobility Ventures.

Unified raised $14m in its first public round of funding, with Silicon Valley Bank providing the leverage and the regulatory filing disclosing $10m of equity.

UK-based communications company WPP is joined backing the emotion measurement business by Horizons Ventures and Kleiner Perkins Caufield & Byers.

The online marketplace for heavy equipment's shareholders are venture firm Accel Partners (19.2%), y Caterpillar (9.63%), Komatsu America Corporation (7.4) and Kleiner Perkins Caufield & Byers (19.2%).

Venture firm I2BF Global Ventures is managing the resources, water, and agriculture nanotech fund.