AgaMatrix, which makes the WaveSense line of blood glucose monitoring products, announced that the latest version of its WaveSense Diabetes Manager App will provide users with streaming video content from dLife. The app is available through free download at the iTunes Store.

Geoffrey Melick, formerly of Corbett Accel, joined Tribune Company as SVP health, in which he will head health advertising and oversee Healthkey.com. Melick was EVP/interactive marketing and e-innovation at Corbett Accel. Tribune publishes The Chicago Tribune and The LA Times, along with several other newspapers, and operates a broadcast mini-empire.

Has Twitter jumped the shark? Figures from data firms Compete and Quantcast suggest that it may have plateaued stateside, with US unique users having peaked around mid-year and inched down since. Outside the US, however, the number of unique users continues to soar.

Sudler & Hennessey hired Shane Kennedy as EVP, managing director of Sudler Digital. Kennedy was director of US marketing & business development for Elateral in London and chief marketing officer for Conclusive Marketing.