Arianna HuffingtonWouldn’t miss: Jamie Foxx and Robert Downey Jr in The Soloist; the SXSW Interactive Festival in Austin.  “It is where the coolest of the creative kids hang.”

Also on the calendar: The Long Fall, a new mystery from Walter Mosley.

Frederic de Narp, CEO of Cartier, North AmericaWouldn’t Miss: The Jenny Holzer exhibit at the Whitney Museum in New York City. It’s “a must see for March.”

Also on the calendar: The blog.mode: addressing fashion show at New York’s Metropolitan Museum of Art and the Native Land Stop Eject show at the Cartier Foundation for Contemporary Art in Paris.

Sam Nazarian, CEO of SBEWouldn’t Miss: the Miami International Film Festival and the Mercedez-Benz Los Angeles Fashion week.

Also on the calendar: The New Directors/New Films Festival at the Museum of Modern Art in New York.

Alan Patricof, Managing Director, Greycroft PartnersWouldn’t Miss: Lapham’s Quarterly, edited by former Harper’s editor Lewis Lapham.  Each edition covers one subject through stories, essays, poetry, and art.

Also on the calendar: The Irregulars by Jennet Connant, about Roald Dahl’s life as a spy. Last Chance Harvey, starring Dustin Hoffman and Emma Thompson, about two older people who fall in love.

Eric Hippeau, Managing Partner, Softbank CapitalWouldn’t miss: New York Arts of Pacific Asia Show at the armory—the largest Asian art fair in New York.

Also on the calendar: Paquito D’Rivera’s Brazilian Stories concert at Jazz at Lincoln Center in New York. It brings me back to the days I lived in Brazil. The Palm Beach International Boat Show in West Palm Beach.