Helpful (http://helpful.com http://helpful.com) was working on this as well but got acquired (or maybe acquihired?) by Shopify. I'm not sure how much traction t

Helpful (http://helpful.com http://helpful.com) was working on this as well but got acquired (or maybe acquihired?) by Shopify. I'm not sure how much traction they got or if the product was just before its time. I suspect there are a bunch of lessons to learn from their efforts.