<http://schema.org/image>
<http://rack.0.mshcdn.com/media/ZgkyMDEyLzEyLzA0L2Y0L3RoZWRlbGljaW91Lm1hRy5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/29a62ae0/8a3/the-del-icio-us-lesson-putting-personal-value-before-network-value-646719ad45.jpg>
<http://mashable.com/2005/12/26/the-delicious-lesson-putting-personal-value-before-network-effect/>