TD Bank's Twitter campaign using the hashtag #bankhuman may be one of the longest-running hashtag campaigns ever. Twitter reports tweets for ...

What happens when American Express uses Twitter to promote a discount coupon? Try around four or five retweets a minute. ...

Quick, what do Disney, Bud Light, the NBA and Visa have in common? All these megabrands are in the Top ...

The Instagram analytics service Nitrogram put together a list of the 50 most popular brands on Instagram -- and there ...

In yet another sign of the risks of social media marketing, Citibank's Twitter campaign for its new Citi Simplicity Card ...