Sputnik News reports US whistleblower Edward Snowden published a vaguely worded tweet on Wednesday that has aroused curiosity in the Twittersphere.The post reads like a cryptic rallying call, asking former colleagues of the NSA contractor to contact him saying "It's time."— Edward Snowden (@Snowden) August 3, 2016 The tweet also quotes journalist Barton Gellman, who is currently writing about Snowden's time working in the intelligence community in order to "tell it truthfully."