Prince Harry has joined Twitter - well, sorta. The young Royal sent his first tweet (and used his first Hashtag!) in London on Thursday on behalf of Invictus games. The tweet read, "all behind #invictusgames hope get. Opportunity to support and thank the men and women who have given so much. Harry." Harry known sent the tweet at a press conference that the tickets for which will be Invictus games 2014 sales. While tweeting from what looked like an iPad, Harry chuckled and then proudly displayed to the show to see the tweet for anyone. Invictus games injured and disabled servicemen and women took part in Olympic style games. Harry started the event, after he play the Warriors in Colorado again visited in may 2013. Harry is not shy to say that he was inspired by the Warrior games, which already in March to say that it is "a good idea of the Americans who had stolen it." Send Harry's Tweet history, he the most senior of Royal per a tweet. His uncle, Prince