for (2) you might want to checkout webmarker: http://webmarker.me/ http://webmarker.me/ http://vimeo.com/10427062 http://vimeo.com/10427062 a firefox addon t

for (2) you might want to checkout webmarker: http://webmarker.me/ http://webmarker.me/ http://vimeo.com/10427062 http://vimeo.com/10427062 a firefox addon that allows you to draw on top of web pages in a persistant manner.