Top five resources for folks making the transition from print to online

I recently received some questions from a friend who's applying for a position as an "online editor" along the lines of "What do I need to understand about Web sites to bring value to an online position?" and "What do I need to know to communicate effectively with my Web-development counterpart?"

These questions come across my Inbox often enough to justify a quick summary of what I think are "Top five" resources for folks making the transition from print to online. These aren't editorial resources, specifically, they're mostly technical in nature (as that's my "thing").  read more »