Cons:
+ Advertising on facebook does not guarantee that users will like or are interested in advertising irrelevant, unreliable
+ Pages ads often appear on their interface makes users feel bear
+ Loss cost for advertising is not effective because customers choose the wrong target to reach.
+ no-ads Facebook profiles but through fanpage
+ To reach as many customers, the higher the amount payable
đang được dịch, vui lòng đợi..
