<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzcyL3NraXBjcmFpZ3NsLmJLMy5wbmcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/0c914a75/79a/skip-craigslist-strangers-sell-your-stuff-to-friends-with-keepio-68e39c70b3.jpg>
<http://mashable.com/2011/02/12/keepio/>