rocknbil - 6:32 pm on Feb 7, 2011 (gmt 0)
Yes, but never with the power of plain text, though some progress has been made in pulling some content out of Flash. The success of a Flash-based site is going to rely heavily on the effort put into alternate content. The link below is a little dusty but not a lot has changed since.
From 2008 [webmasterworld.com]