Pitch Cards - I've 99 problems and I'm ready to pitch one!
Miniature Mail - Little letters printed on demand and sent in tiny envelopes.
Web Trumps - A nerdy card game all about startups
MailThis - Send mail from your computer
PitchEasy - The card game that lets you pitch over 80 million Ideas
The Simple Postcard - Text a photo to mail it as a postcard