QQ is not safe, easily get hacked and turned into internet fraud. (5000USD loose)Even complaint to QQ security center and reported to police.The second day.Trojan loaded mails still send to other friends's QQ mail boxes.
It is P4P, Pay for placement searvhing results showing to you after Baidu clip. Which might mislead to wrong ,similiar,fake webpage. it is time consuming , you might went to trouble for medical service /shipment searching,ect.
Taobao is out of control, they sell almost everything and give benefit to the buyers to delete the lower/Bad rated comments. they might sell weapons and medicine related items without follow the regulation. Some ads part is not suitable for Children.
I personally think Chinese gov is too busy or local media all too friendly too these giant compan