Why You Should Follow: Chicago's Alinea is widely recognized as one of the best restaurants in the world, a title bestowed not only for its quality but for its ambition. American chef Grant Achatz deserves the lion's share of the credit. In 2008, the James Beard foundation named Achatz best chef in the United States. His Twitter offers a glimpse into the life of one of the most innovative chefs in the game. Pay attention.