"How effective is Wal-Mart's website in making it each to purchase goods? Elaborate on this. They are moving into service areas such as Hip to Site

"How effective is Wal-Mart's website in making it each to purchase goods? Elaborate on this. They are moving into service areas such as Hip to Site services: is this a good marketing tool & why? Is this a good retailing strategy for Wal-Mart?(Marketing Class)" Simple write up of one page is fine - prefer you list references though MLA.