Audio learning is the future of education in this era of information driven economy, there are tons of information on the website that can be downloaded for listening to using certain software such as itunes. Podcast can be downloaede free of charge and one can listen to it online or on the system or it can be loaded into an mp3 player.
Some of my favourite site for audio and video download are as follows
http://www.learnoutloud.com
http://www.thoughtaudio.com
http://www.audiotreasure.com
http://www.libirivox.org
Also there are more than one million podcast(recorded radio programme) that you can subscribe unto via itunes software this software is free, so far my best podcast is that of Ravi Zaccharias of Rzim international he is a christian apologetic also i love pastor Joel Osteen messages, Ravi produce his podcast daily while Joel Osteen preaching are weekly. other podcast of intrest include Great Speeches, Philosophy podcast, free Book of the month, and so many produce by learnoutloud other intresting podcast also comes from discovery channels. BBC,CNN, all podcasts are free for further information you can mail me at alben_2002@yahoo.co.uk