I am sitting in a professional development for my school district right now and I have learned more information about technology than I care to know.
Also, if you like using technology in your classroom with your students, try having them type in the word "webquest" after whatever it is that they are searching for... it'll narrow down the topic and help avoid inappropriate content that could pop up!!!
I'll come back but so far check these things out if you have time:
RSS - combining websites