<http://schema.org/description>
"Did you know you can challenge your friends to see who can get the highest score on the iPad? This is a great way to see who&amp;#39;s the best once and for all."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.lifewire.com/challenge-a-friend-in-game-center-1994463>