This week in social media (December 17-21, 2012)

In social media, there is never a dull moment! Check out the list of headlines below.

Facebook

Facebook updates Messaging system, tests optional paid delivery (Examiner.com)

New Features to Mobile App Install Ads (Facebook Developer Blog)

Autoplay Video Ads Reportedly Coming To Facebook’s News Feed (AllFacebook)

Facebook Launches Collections Test, Part II (AllFacebook)

Facebook Pauses Mobile Ad Network Tests (AllFacebook)

Facebook Testing Redesign To One-Column Timeline (AllFacebook)

Report: Facebook Page Posts Will No Longer Feature Third-Party Attributions (AllFacebook)

Facebook Officially Begins Rollout Of New Privacy Tools In U.S. (AllFacebook)

Facebook Limits Text In Cover Images, News Feed Ads To 20 Percent (AllFacebook)

You Can Now Buy Ads On Facebook Using Google’s Search Data (Business Insider)

foursquare

Discover new places, make the most of your visits, and see interesting insights after every check-in (foursquare Blog)

Get even better personalized recommendations, with help from your Facebook friends (foursquare Blog)

Google

Film and share videos instantly with YouTube Capture for iPhone and iPod touch (YouTube Blog)

“In the beginning”…bringing the scrolls of Genesis and the Ten Commandments online (Official Google Blog)

Blogger releases update to iOS app (Google+ update)

Mention people in your posts with Google+ (Blogger Buzz)

News on YouTube: 2012 in review (YouTube Blog)

Infographic: Google+ 2012 (Google+ update)

NEVER MIND: Google Has NOT Figured Out How To Track You Even When You’re Offline (Business Insider)

Gangnam Style Makes YouTube History: First Video to Hit 1 Billion Views (YouTube Blog)

HootSuite

HootSuite 2012: A Year in Review (HootSource)

Instagram 

Instagram’s new user agreement angers members (Examiner.com)

Instagram Now in 25 Languages (Instagram Blog)

Did Instagram Forget Its $525 Million Verbal Agreement With Twitter? (AllTwitter)

LinkedIn

Oh, what a year it’s been! (LinkedIn Blog)

Microsoft

Modern Image Search Arrives on Bing (Bing Search Blog)

Tumblr

Tumblr Update Delivers iPad Optimization (SocialTimes)

Twitter

Want to see your oldest Tweets? Now you can! (Examiner.com)

Vimeo

Vimeo Arrives On Xbox 360 (Vimeo Staff Blog)

Official Year-end Self-Appraisal and Profound Introspection: 2012 (Vimeo Staff Blog)

Yahoo

Introducing The Weekly Flickr: A new series that goes behind the lens of the Flickr community (Yodel Anecdotal)

Miscellaneous

Interview with Rob Schutz, founder of Chirp Guide (Examiner.com)

Social media news: Facebook, Paper.li, Socl and WordPress (Examiner.com)

Storify launches tool to help you make stories out of your Twitter archive (The Next Web)

Quora Shortens the Path Between Users and Questions They Can Answer (SocialTimes)

Dropbox Acquires Snapjoy to Enhance Photo Storage (SocialTimes)

Zynga Shuttering Japanese Operations (AllFacebook)

Bitstrips Draws Success From Facebook (AllFacebook)

Best Free Photo-Sharing Sites and Apps of 2012 (SocialTimes)

FTC Strengthens Privacy Protections for Kids Using Mobile Apps (SocialTimes)

Did I forget something? Share your links in the comment section below.