Sold on eBay, Shipped by Amazon.com

Your next eBay purchase could arrive at your door in a brown Amazon box. Amazon is expanding a program designed to allow independent sellers to use its network of distribution centres to store and ship their products, according to Jeffrey Bezos, Amazon’s founder and chief executive. Since last fall, the program, Fulfillment by Amazon, has allowed independent sellers who list their goods on Amazon to use its network of more than 20 distribution centers around the world to fill orders. Now Amazon, which is based in Seattle, is opening the program to vendors who list their items elsewhere on the Web — on their own site, through Google, or even on Amazon’s e-commerce rival, eBay