One way to increase your knowledge about glass is to visit glass forums. 

Below are several forums.  A&A Products contributes to the Warm Glass Forum and the ARTGLASSPICS forum..

WARM GLASS FORMUM - http://www.warmglass.com/phpBB/index.php 

ARTGLASSPICS - http://groups.yahoo.com/group/artglasspics/

THE GLASS ARTIST - http://forums.the-glass-artist.com/

THE MELTING POT - http://www.talkglass.com/forum/forumdisplay.php?f=4

GLASS FORUM - http://www.glassforum.com/

GLASS ARTIST - http://www.glassartists.org/Forums_Main.asp