-Valleywag tells us how Foursquare plans to earn ad revenue from check-ins. link

-New York-based editorial company Crew Cuts has welcomed Julienne Guffain as lead mixer/sound designer.

-Want to know what WPP don Sir Martin Sorrell made in 2012, taking into account salary cut and all? link

-With the help of BBDO New York and director Meagan Cignoli, home improvement chain Lowe’s has marked its first use of Vine with a spring campaign called “Lowe’s Fix in Six” (one Vine above, see more here, here and here).

-Unilever-owned ice cream staple Ben & Jerry’s appointed Denstu-owned 360i as its new strategic digital agency of record. link

-Here’s how CERN is celebrating the worldwide web’s 20th birthday. link