It seems like DNS for fb.me returns the same address records for any subdomain. So anything you can conceive of .fb.me is valid -- e.g., dheera.fb.me. Ditto facebook.com.
my guess is: scam sites acquired by meta to stop the scam
Nope, those are subdomain of their own.
An internal entrepreneur is a type of entrepreneur who operates inside the confines of an organisation such as a business unit or a government body.
> www.wechat.fb.me
> www.weixin.qq.basic.facebook.org
> www.weixin.qq.facebook.org
Can anyone enlighten me why these exist and what they do? I never thought WeChat and FB had collaborated on any level.