Flipboard creates beautiful interactive digital magazines on your iPad based on your selection of social media feeds - from news websites, Twitter, Google Reader, blogs, Flickr, Facebook, Instagram, and blogs. It brings reading to life, and it's FREE!
Flipboard is useful for teachers interested in connecting, sharing, and learning with other teachers around the world (via their Personal Learning Networks); and has interesting applications in the (secondary) classroom as well.
"This list of top tweeters is specifically designed with maths teachers in mind. Many of the tweeters are fellow maths teachers from across the globe whilst others are people who get very excited about maths and just love to tweet about it. Many of these people tweet about a lot besides maths but I think each of them would be a valuable addition to your timeline if you're a maths teacher or interested in maths. Follow them if you'd like links, ideas and conversation about maths and maths teaching."
I'm no audio engineer. And odds are that neither are you. So I won't get into all of the nitty gritty details of audio editing. If you want more details, one of the community MVPs shared some tips on how to improve your audio quality. It's a good post and worthy reading.