1) Send at least one thing through postal mail for each day it runs in February.
2) Write back to everybody who writes to you.
I love doing this every year. I'm a little behind on my penpal responses, so I'm responding to all of those first. However, one of the reason I do this challenge every year is to connect/reconnect with new/old friends. If you would like a letter, comment here and add your address to my Postable account (only visible to me. I don't share your address with anyone). If your name here is different than the name you've left on my address book, please let me know who to look for.
I have already challenged a few of my friends (and one of my students too) to participate. If you feel like you've lost touch with friends/family or if you want to devote some time to building relationships with people, consider joining. I've met some amazing people through Lettermo.