The Ticker (ABC edition): 20/20, GMA, PR…

> The 20/20 special “2008 Caught on Camera” airs Friday at 10pm. The program includes reports about the economy from Elizabeth Vargas, misbehaving cops from John Stossel and more.

> Good Morning America’s annual holiday sale raised more than $4,000 for City Meals on Wheels and donorschoose.org. The morning show sells everything from books and clothes to DVDs and CDs collected throughout the year.

> ABC News publicist Paige Capossela Green gave birth this morning to Siena Virgean Green. Siena weighed 6 lbs. 11 oz., and Paige, Siena (and husband Jesse) are all doing great.

Create a social media strategy, launch your campaign, and track the results in our Social Media Marketing Boot Camp starting February 16. The online event and workshop will feature speakers including The Onion‘s Baratunde Thurston (left), Facebook’s Morin Oluwole, and bitly’s Tim Devane. Register now.