I came across this twitter contest from the National Reading Campaign. Kobo's donating $1 per contest entry, and you might win an e-reader. Here's the info:
Just tweet what you’re reading today to @readingcampaign with #whatdidyoureadtoday? for a chance to win one of ten KoboTM eReaders pre-loaded with a selection of great eBooks!
Share a title, author or even the type of reading material you’re reading, like a magazine or graphic novel, because all reading matters. And there’s more: Kobo will donate $1 for every contest entry that we receive up to $10,000, to help grow reading in Canada.
The contest runs until December 31, 2012 , so tweet and retweet to all your followers every day: the more tweets, the more you have a chance to win! Click here for full contest rules and regulations for the “What did you read today?” Public Contest.
(Please note that this contest is open to Canadian residents only.)
Here's where I found the above: http://nationalreadingcampaign.ca/contest/