If the Facebook OAuth module is closed, if their comments module is closed, or if their advertising platform is closed overnight sure there will be waves.<p>But the part you mention actually refers to the easiness to close a Facebook account and switch to WeChat, or Viber. This part talks about the user base, which is at the end of the day the foundation of their business model.<p>The point made here is that there&#x27;s no real lockin because there&#x27;s no real value.