Some rather startling, at least to me, news:

"American Express is quietly testing a new service that lets cardholders connect to the Web for free, an costly experiment that has failed for many other online businesses.

The service, dubbed American Express Online, gives cardholders free, unlimited Internet access; all-hours customer service; and a Web-based e-mail account with the domain name "AmexOL.net." The account also lets members check their accounts securely, shop online and use various instant messaging services from an American Express-branded home page that is free of advertisements."
http://news.cnet.com/news/0-1005-200-4762535.html

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Seems as if this too could also easily end at any time so please be forewarned!