In February last year, venture capital firm RezVen Partners led the $4.4m A round in StyleHaul.

In August 2011, Innovid raised $9.5m in its B round from T-Venture, Sequoia Capital and Genesis Partners.

In January, Axel Springer said it had also bought a 49% stake in Germany-based conference provider Hy! Berlin.

Angel investor Dirk Wieland has also acquired 25.1%.

News provider Startup Dating said FreakOut founder Yuzuru Honda previously launched a content-matching ad platform called Brainer, which he sold to Yahoo Japan in 2008.

Samba Ads was founded in 2012 as a spin-off to online video platform Samba Tech.

Venture capital firms Atlas Venture, Bessemer Venture Partners and Great Oaks VC and angels Jim Patterson, MJ Elmore and Howard Lindzon also invested alongside Salesforce, according to news provider TechCrunch.

Two Sigma Ventures said its other deals included health analytics Symcat, three-dimension space visualization software company Floored and venture capital firm Brooklyn Bridge Ventures.