taken from <a href="http://www.macromedia.com/software/flash/open/faq/" target="_blank">this</a> page:
</font><blockquote><font size="1" face="Geneva, Verdana, Arial, sans-serif">quote:</font><hr /><font size="1" face="Geneva, Verdana, Arial, sans-serif">
How many people have Macromedia Flash Player installed?
Over 436 million online users have Macromedia Flash Player installed and can immediately view Macromedia Flash content.
Which browsers and platforms currently distribute Macromedia Flash Player?
Macromedia Flash Player is pre-installed in most web browsers and on most computers. It is included in Windows 98 (including all new Windows 98 and Windows XP computers), Netscape Navigator, Apple Macintosh operating systems, America Online, and WebTV, among others. To provide more Macromedia Flash viewers with a seamless viewing experience, Macromedia distributes Macromedia Flash Player through many key partners, including Microsoft, Netscape, and AOL. </font><hr /></blockquote><font size="1" face="Geneva, Verdana, Arial, sans-serif"><img border="0" title="" alt="[Wink]" src="wink.gif" />