When we travel, we often share ample amounts of media to our social channels (esp. to Instagram for me). What happens if you could take those photos and turn them into a collection of hotels and destinations that your friends could book.
Yonderbound does this, focused on creating "Yonderboxes" for not only your friends to book travel off of (and therefore, you earn money) but for the community on the site.
Back in the day, Trippy (http://www.trippy.com/) offered a similar service but eventually moved into a Q&A feed of travel advice.
Polywork