[kapilkale]

Right on that payments is a challenge in implementing this. Companies need to pay candidates, who may be anywhere in the world, a small amount of money on a one-off basis without the hassle of paperwork.

Tremendous.com (where I work) does this.

Candidates can get payments, gift cards, or donate the money to charity.

(we've been paying candidates to take calls, do tech screens, and complete projects, and it's easily been worth the cost. at some point we'll do a blog post on the conversion rate differences)