Markup.io :: Web app for doing annotation over webpages
I’ve just discovered reading Online [spanish] a web app to do annotations over web pages as if they were there all the time
To use it, you just need to go to the official site and copy the bookmark button
It works as a charm and it’s really usefull when working with a client if you want to point things out or he wants to make you see anything odd. You can circle things, do arrows, write text or just draw 