IDG Contributor Network: OwnCloud passes 8 million users

The humble open source project that started in Germany has grew tremendously in the last few years. Yesterday, ownCloud announced that they estimate the number of users has exceeded the 8 million mark. In addition, the company achieved 100% year-over-year growth in 2015 and is on track to double these numbers again in 2016.
When I asked ownCloud community manager Jos Poortvliet about the basis of the user count, he told me that, unlike Android, iOS or Windows, there is no tracking mechanis