First print run (serial number TWTR-A001), quantity: 10. Printed in a greeting card format (5.8" x 4.1", the inside of the card is blank). The serial number is on the back of the card, a white envelope is also included, and 25% of the profits will be donated specifically to charity:water at the next Twestival in 2010!

>> http://twitter.com/
>> http://twestival.com/
>> http://charitywater.org/

>> http://flic.kr/p/6newZ2