Sure, writing a letter isn't as easy -- or as necessary -- as it once was. Most of us communicate electronically and mobilely. By the time we're done with our tweets and IM's there's little reason to get out paper and pen: We've already said what we have to say.
But it's still nice to get a letter in the mail. (Trust me, I got one the other day -- it felt good.) And if you don't think you have anyone to write a letter to, why not send a message from home to one of our service people overseas?
Remember, collectors of used stamps, without letters it would be harder putting together a collection. And just think, if your grandparents hadn't had written love letters to each other (my mother's envelopes all have the 3 cent Jefferson stamp from the Prexie series, used extensively in the WWII era) you might not even be here.
The following links should help to get you in the epistolographic mood for some serious missive writing this week.