Tools to Bootstrap your Startup Weekend Idea
zapier.com
zapier.com
They used https://DailyCred.com (my startup) for the account system. There's a big difference between collecting a potential user's email address for your mailing list, and actually creating a real user account for them.
My guess is:
- Twitter Bootstrap - Amazon S3 - memorable bit.ly link (bit.ly/kickapanda) that goes to S3 page - Google Analytics - Something like AddThis/Sharethis/etc. to do social media share buttons quickly.