NBC's Royal Wedding App Is the Best Way To Keep Up With That Royal Wedding Thing

Soon, in a spectacular display of viral marketing for the new HBO series Game of Thrones, the House of Windsor and the House of Middleton will be joined by the marriage of Prince William and Kate Middleton. If this is something you're interested in keeping up with, NBC News has put together a fittingly elegant (and… »4/18/11 1:00pm4/18/11 1:00pm