When was the last time you received a hand-written card or letter in the mail? Do you remember how it made you feel? 

There's just something splendid about a personally signed and sealed piece of paper from someone familiar, whether it's a birthday card, a thank you note, a postcard or -- gasp! -- an actual letter. Amid the sea of bills, junk mail and unnecessary circulars, an envelope with cursive writing is just about the sweetest thing a person can pull out of a mailbox. In celebration of that, the Etsy Greetings Team -- more than 100 artists devoted to the art and promotion of handmade cards -- is kicking off its second annual "52 weeks of mail" project this week. It made such a splash in its first year, even the USPS is getting involved in the second.  

The challenge is simple and sweet: mail at least one letter, postcard, or note to a friend or loved one every week for a year. The 2012-13 challenge begins this week; for ideas and reminders, there's a Flickr page dedicated to documenting the project, as well as a Facebook page cheerleading participants along throughout the year.  

Want to make the folks you love smile? Team up with the kiddos, stock up on stamps and practice that penmanship; you've got 52 perfect opportunities up ahead, each of them sealed with a kiss.