I have recently gotten extremely involved in PD across the internet having to do with all things Tech Integration in the classroom. There have been numerous posts that I find highly relevant on the internet. People should definitely check some of them out!
Google Gooru is an awesome blog that I have subscribed of an expert in Google. He posts constantly with all things related to Google! Love it!!
Google Plus Educational Communities: If you haven't checked out Google Plus yet & have been a little wary of it up until now, I was in the same boat, I thought it was the same old, same old, as Facebook, & Pinterest, & Teacher Pay Teacher, etc. It's like that, only more! It is set up like a forum, of people interested in certain things posting & communicating on it.
Ones you should definitely check out: (the 1st 3 in particular I really love!)
Google Apps in Education
Google Apps Educators
GEG Iowa (if you are another state, there should be a GEG for it!)
Google Apps & the Common Core!
Technology Loving Teachers
Twitter Educational Weekly Chats: Ok, this is pretty awesome too. There on plenty of educational chats going on weekly on Twitter on different topics! Check them out, if you are new to Twitter or do not have one, there's a chat about that as well!