Hacker News on 18 June 2013

• Ultimate Tic Tac Toe
• Former NSA Employees Praise Edward Snowden, Corroborate Key Claims
• The Constitution Applies When the Government Bans Americans From the Skies
• Google challenges U.S. gag order, citing First Amendment
• MySQL man pages silently relicensed away from GPL
• Buying the new MacBook Air
• Evidence that the NSA Is Storing Voice Content, Not Just Metadata
• Creative usernames and Spotify account hijacking
• Facebook is Blocking Connections from Tor Network
• Facebook Is Not Blocking Tor Deliberately