MongoDB recently bought Realm which is an amazing mobile database with first class replication, so if I was starting a new project that also needs mobile I would definitely go with MongoDB.
I just verified every single post of you on hackers news in last 12 months, and every one, in different DB discussions are doing the some shamefull plug about Realm.
E v e r y o n e.
And not a single disclaimer from you, not to mention some of your posts (like here, what janl pointed) are simply not true.
Disgracefull. I'm leaving this comment for anybody in the future doing check on you to notice this.