Have you built something completely new, something that no-one has ever seen before? If so, tell us

I helped build and launch Referr.co.uk which is a completely new way for service providers (think wed designers, accountants, solicitors) to buy and sell high-quality qualified referral leads. More here: https://www.producthunt.com/posts/referr Keen to hear what novel product/ service you've built or launched?