More and more blogger are used this term 'WTF' to express anything..really anything. Traditionally used to express astonishment, shock or incredulity. But today, you do need to suprise if u see this word on any blog or fb. Blogger like xiaxue, 4feetnice, sweetlee and etc used it almost on every single of their blog.hahaha..is a very common word anywhere.
This is a WTF syndrome on cyberspace. cheers~