<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzI0L2dvb2dsZXVzZXJzLmJZeS5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/1b67176e/0ae/google-users-are-still-mostly-male-dc0cc730c6.jpg>
<http://mashable.com/2011/11/09/google-plus-gender-ratio/>