The Pope joins Twitter. Mashable

SMS turns 20 years old. thxneil

iPad only newspaper The Daily shuts down. Ad Age

iPhone 5 now available in 50 new countries. CNet

Tumblr hacked by massive work. Gizmodo

Optimism for ad spending in 2013. Zenith Optimedia

Texting is the most popular way for young people to stay in touch. Telegraph

The end of homework? NPR

Barack Obama’s fiscal cliff townhall meeting on Twitter. Storify

Can marketers employ Obama’s targeted TV advertising play? Ad Age

How a startup got its product in McDonald’s happy meals. Business Insider