Share 'Top 3 Blogs to Read?'

Just the other day, a colleague said to me, "Where do I even start when I'm asked to begin reading blogs?" and I thought it was a great question. So, that's my ? to anyone out there. What are your top 3 blogs you'd recommend others to read about web 2.0, collaboration or anything technology-related? I'd like to create a list for teachers at my school of the most commonly recommended. Thanks for…