As Diva Dialogue blogger Katie mentioned last week in her post “Build Your Own Wedding Network on Facebook“, social networking tools have opened up a new world for many in the wedding planning process.  In addition to joining any of the numerous groups available on Facebook, you can also download a wedding planning Application to both assist you in your planning and spread the news to others.

My favorite App thus far has to be Weddingbook by WedSnap.  This widely-used App not only lets you add the names and photos of your entire bridal party, it also features a countdown clock, profile and info page, and a constant feed to the Weddingbook message boards, where you can ask for and offer advice and tips.  Anyone in your network can view your Weddingbook profile or write in your guestbook.

As social networking continues to evolve and gain in popularity, which tools and websites do you find most useful in your wedding planning process?