Short description of X-Cart Smarter Data Feed 5.4.7: X-Cart Smarter Data Feed is X-Cart contribution which assures the easiest export of products into Smarter.com - one of the best Pay-Per-Click services. For merchant partners, we are a bid-for-placement, pay-for-performance comparison shopping engine of the purest form. No banners, no buttons, no leaderboards, just comprehensive price comparison and a clean, uncluttered interface which allows consumers to do what they came to do: compare and buy