MailChimp is an email marketing service provider, founded in 2001. It has 3.5 million users that collectively send over 4 billion emails a month through the service. <a href="http://mailchimp.com/about/sponsorship/contact/">Submit a sponsorship idea</a> to MailChimp.
POP Montreal is an annual music festival occurring in Montreal, Quebec, Canada in the early fall, usually at the end of September or the beginning of October.