4 ms·Owning the users' data makes it harder for them to move to a competing service. That's not a secret.by rockdoe 12y agoOwning the users' data makes it harder for them to move to a competing service. That's not a secret.zkhalique 12y agoThat's not the only way to retain users, or to make money._asummers 12y agoBut it's a cheap and lazy way, so it's ubiquitous unfortunately.