In this image released by Toronto-based 2 For Life Media Inc., Thursday March 24, 2011, their iPad royal wedding app that lets users share marriage advice and wedding tips to the royal couple through a virtual guestbook is seen. More than a dozen smartphone apps are offering to bring fans everything royal wedding-related wherever they are _ so they can check the days and minutes until Prince William and Kate Middleton's April 29 wedding, hoard news and pictures about them and instantly share their favorite royal wedding tidbits on social media networks. (AP Photo/HO 2 For Life Media Inc) EDITORIAL USE ONLY NO SALES

In this image released by Toronto-based 2 For Life Media Inc., Thursday March 24, 2011, their iPad royal wedding app that lets users share marriage advice and wedding tips to the royal couple through a virtual guestbook is seen. More than a dozen smartphone apps are offering to bring fans everything royal wedding-related wherever they are _ so they can check the days and minutes until Prince William and Kate Middleton's April 29 wedding, hoard news and pictures about them and instantly share their favorite royal wedding tidbits on social media networks. (AP Photo/HO 2 For Life Media Inc) EDITORIAL USE ONLY NO SALES