Well, the issue is that they do have that sort of data. Massive firms exist to commingle all variety of data with FB’s social graph.
Check out LiveRamp for example; they literally scan in physical documents like car mechanic paperwork (seriously) and dropship them into S3 buckets to huge data brokers every day.
Take that and merge it with facebook’s social graph, how many ms you look at a photo on Instagram and how long you take to reply to someone on WeChat, and you have an awful lot to work with.
Check out LiveRamp for example; they literally scan in physical documents like car mechanic paperwork (seriously) and dropship them into S3 buckets to huge data brokers every day.
Take that and merge it with facebook’s social graph, how many ms you look at a photo on Instagram and how long you take to reply to someone on WeChat, and you have an awful lot to work with.