A study published by TBG Digital ads on Twitter that the most expensive ads from Facebook, which was reported for advertisers .
Compared TBG Digital - which is the largest seller of advertising Facebook, which gives the study more credibility - and that showed that the advertisers are paying between 2.5 and $ 4 for every observer new to Twitter, in addition to the price of memorizing a thousand times the ad or what is known acronym CPM to $ 3.5, while no later than the 50 cents Facebook.