Calorie recommendations decrease with age. The U.S. Department of Agriculture recommends men consume 2,000 to 2,600 calories if theyâre sedentary, 2,200 to 2,800 calories if theyâre moderately active and 2,400 to 3,000 calories per day if they are active.
Twitter (/ËtwÉªtÉr/) is an online social networking service that enables users to send and read short 140-character messages called tweets. Registered users can read and post tweets, but those who are unregistered can only read them. Users access Twitter through the website interface, SMS or mobile device app. Twitter Inc. is based in San Francisco and has more than 25 offices around the world. Twitter was created in March 2006 by Jack Dorsey, Evan Williams, Biz Stone, and Noah Glass and launched in July 2006. The service rapidly gained worldwide popularity, with more than 100 million users posting 340 million tweets a day in 2012. The service also handled 1.6 billion search queries per day.
October 2009: Twitter passes the 5 billion tweet mark. January 2010: NASA astronaut T. J. Creamer sends the first unassisted tweet from space aboard the International Space Station. February 2010: Users start clocking in more than 50 million tweets per day. March 2010: Twitter turns 4.