A Portrait Of Who Uses Social Networks In The US (And How Social Media Affects Our Lives)

Age

Leading the increase in social networking usage were those over the age of 35, which grew nearly twice as fast as those 18-35 in the same time period.  Only 18% of Internet users over the age of 35 used a social networking service in 2008 and by 2010 that number was up to 48%.    The average age of an adult SNS user jumped from 33 years old in 2008 to 38 years old in 2010

via searchengineland.com

MediaPost Publications Mobile Devices: The Revolution Will Soon Be Revolutionized 06/06/2011

According to an EyeforTravel report, the number of mobile bookings in the travel space has accelerated from 20 million in 2008 to 200 million in 2010. And, Google projects that 8% of all mobile users will be booking travel from their smartphones by next year.

via mediapost.com

TRAACKR» Blog Archive » Is marketing entering a Post-Demographic Era?

via traackr.com

The key here is targeting passion not demographics. The example being mommy bloggers, who while all share the same demographics do not share the same passions and therefore do not share the same purchasing intent.