> Tencent Holdings Ltd., with nearly 1 billion users
Sounds reasonable. I would start wondering if they claim 20 Billion users, but hey, you never now.
Alibaba is also an outstanding company:
http://brontecapital.blogspot.de/2015/10/alibaba-yeah-right-...
http://brontecapital.blogspot.de/2015/09/job-interview-quest...