Pledges for the same project on different social networks

[mattbk]

This would probably need to happen at the admin level, and may not even be feasible with a large number of pledges (currently there are over 800 pledge recipients), but thought I'd throw the idea out.

The example that just popped up, Mozilla, is on the front page of https://liberapay.com/explore/pledges, which means one of the slots is preventing someone else from being on the front page: