IronSource, a mobile adtech startup, confirms $400M+ raise at $1+ valuation
On the same day that two Israeli-founded adtech startups, Taboola and Outbrain, announced a merger to create a $2 billion company, another Israel-founded company focusing on advertising and marketing for mobile has also closed a huge funding round. IronSource, which has built a video ad network and user acquisition technology for mobile app publishers, has…