Commerce and ShabbosIn the span of just a few short years, the rapid advance of modern technology has changed the face of business and commerce forever. Computers and automated systems have given rise to new forms of trade never dreamed of in days gone by. But these new business methods have also brought a host of Shabbos related halachic questions not clearly addressed by Poskim of the previous generation. Is one permitted to list an item on ebay if the auction is