I found Greasemonkey helpful for learning Javascript, because it lets you try interesting things on already interesting sites. If you're a product manager, who

I found Greasemonkey helpful for learning Javascript, because it lets you try interesting things on already interesting sites. If you're a product manager, who can program a little, it's a handy way to try product concepts and interesting mashup ideas. I've enjoyed making some scripts for Twitter for example.. Take a look at this one which let's you view Twitter Bios at a Glance: http://userscripts.org/scripts/show/38797 http://userscripts.org/scripts/show/38797 I have some more scripts at: http://userscripts.org/users/5204/scripts http://userscripts.org/users/5204/scripts