How to Use Social Media without Being Invasive

"This year has never been bigger for social media. Facebook has more than 500 million active users, Twitter obtains over 300,000 new users a day, and YouTube exceeds 2 billion views per day. Devices designed to support social media, from Droids to iPads, are selling out before they hit the market. Even old standby brands like Old Spice are finding a new home in social media," says ClickZ....."The challenge is to find the appropriate opportunity for behavioral targeting, without seeming to be too invasive or acting like a virtual stalker."