The lectures are all in Real Player.
Also, it isn't hearsay, or rumour. This has been out in the tech
community for almost a year. The on what's wrong with
Real Player can be found in the following links:
item number 2 on the list.
And, according to my husband (he's a software engineer), there are
also sporadic reports that various versions would install (without
adequate disclosure) known issues like CometCursor, Gator and