Whole Foods Market celebrated its first 1 million Twitter followers by giving away a million grains of quinoa. The lucky millionth follower also received a $50 Whole Foods Market gift card.

To boost the festivities, Whole Foods Market has challenged its followers to tweet their five-word food philosophies. Ten creative fans will win $50 Whole Foods Market gift cards- plus five pounds of quinoa- for submitting the best philosophies. The contest wraps up Friday, July 17.

Followers also tweet Whole Foods Market about virtually everything, from recipe ideas and special diet suggestions to information regarding in-store promotions and specialty items. Some even use Twitter to brush up on the latest industry issues.