-Starcom MediaVest unit Spark hired OMD Latino alum Stephen Paez as its new director, multicultural. In his new role, Paez will lead multicultural planning on the agency’s Taco Bell account.

-The Heart and Stroke Foundation, with the help of Toronto agency Lowe Roche, encourages you to “Make Health Last” by offering polar opposite portraits of the last 10 years of your life (above).

-Twitter has confirmed that it’s acquired Bluefin Labs. link

-Brooklyn-based HUSH added art director/design and concept development artist Andre Salyer to its roster. link

-TBWA\Vietnam is celebrating the beginning of the year of the snake with a little online game. link

-DDB/Tribal Amsterdam hired Anneli Rispens to manage the agency’s content & community department.