Promoted Tweets:a wake up call for Madison Avenue  

Twitter has finally come up with a new revenue source, promoted tweets. This change is sure to affect the advertising world, along with the rest of us. Madison Avenue as ignored advertising on blogs and social media sites up until now because of the small budgets involved. Most ads in the media like TV and even just banner ads are general and unspecified but now advertisers are realizing that the new trend is relevancy. Promoted Tweets will use a "Resonance Model" which will combine earned and paid media using a multiple axis of engagement using many different measurements.