Back-channel sales data from web advertisers indicates pricing has begun heading higher as demand remains strong, he noted in a research note Tuesday.

FORBES: Magazine Article

It implies the kind of channel glut that may lead to very aggressive pricing.

FORBES: The New HTC Warning is Massive

Social media make it harder for brands to pull the wool over consumers' eyes, but they also offer canny companies a powerful new channel through which to promote their wares and test new products and pricing strategies.

ECONOMIST: Consumer psychology