Hi Cindy, Thanks for sharing this article, and thank Louise too if you get a chance. I was just having a discussion about this subject with a sighted friend, who was fascinated by the topic. I think I'll print this out and share it with him. Thanks again, Kellie To unsubscribe from this list send a blank Email to bksvol-discuss-request@xxxxxxxxxxxxx put the word 'unsubscribe' by itself in the subject line. To get a list of available commands, put the word 'help' by itself in the subject line.