Why? Because it requires Active X:

[url]http://pages.ebay.com/help/index_popup.html?sell=beta-faqs.html[/url]

Hey, eBay, why not just put a large NO MAC OR LINUX USERS ALLOWED on the main
web page?

You can still use IPix for a while, but they seem to be planning to phse that
out entirely.

It might be a good idea for Mac and Linux users to make their displeasure at
this development known:

[email]PictureServicesebay.com[/email]

[url]http://pages.ebay.com/help/index_popup.html?new=suggest.html[/url]

[url]http://pages.ebay.com/help/contact_inline/index.html[/url]