Facebook sees a huge jump in advertising Now accounts for 27.9 percent of all online display ads, up from 21 percent in 2010, with forecasters seeing even more growth   Next social media wave: Small businesses They're already using their pages to promote themselves, and they're about to kick up ad spending. Talking with Borrell's Greg Harmon.   Behind the surge in holiday tablet sales Now almost a third of Americans, 29 percent, own an e-reader, up from 18 percent in mid-December. Talking with Pew's Lee Rainie.   How to leverage LinkedIn without spending a dime Learn how to get the most out of the site's free tools in this webinar led by Talking Finger's Bill DeRosa. Today at 1 p.m. Eastern. Sign up here.   Outlook for 2012: Growing by double digits Even as other media stumble, online continues to take an ever greater share of ad dollars, driven by social media and mobile   Where social media matters little: TV Facebook and other sites play almost no role in what shows people choose to watch. Talking with Knowledge Network's David Tice.   Teens: Social networks are pretty safe Few report instances of bullying, contrary to the many media reports of widespread abuses. Talking with Pew's Mary Madden.   Study: Gabbing about TV is a guy thing Males account for 55 percent of folks talking about television on social media sites. Biggest demo for TV chatting: 25-34s.   What's hot: Social media on the go Huge growth in mobile users visiting their favorite sites - Photo of bloodied Gaddafi - Study: Big brains, more Facebook friends   The power of consumer product reviews What folks say about a brand has huge impact, and more are voicing their opinions. Talking with NM Incite's Radha Subramanyam. next >>