Think of it as a dating site for patent worthy ideas that can’t find a mate - IOW, a problem with enough commercial value to make it worth the trouble. OK, that’s to say, no one has had the imagination to come up with such an idea yet, so Marblar puts them in the public domain so that they can be crowd sourced. In the same way that solutions to problems have been by other web sites, here you find problems for the solutions. In some cases, your idea might earn you some cash.