Israel’s AppsFlyer allows mobile advertisers to see how well (or badly) their latest campaign performed from any source (e.g. Facebook, email etc.)  The software has been installed on 98% of all smartphones – 2.1 billion devices. AppsFlyer has just raised $56 million of funds and its business is flying!

https://www.youtube.com/watch?v=W9rzspOIj28

https://www.appsflyer.com/pr/appsflyer-raises-56-million-advance-marketing-measurement-mobile-era/