Facebook has apparently hired a key WeChat employee

Dan Grover, a product manager who helped Chinese messaging app company WeChat in its internationalization efforts, seems to have taken a new job at Facebook.
A photo in a tweet from Uber employee Chenyu Zheng yesterday appears to show a cake decorated with a WeChat logo, and an arrow pointing to a Facebook logo. Below the cake is Grover’s name and a sign that says happy birthday.
Wow! This should be news! FB hired Dan Grover from WeChat… Now all the china knowledge will be with