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great tutorial. explains how students can share explain everything video through google drive. teacher can add to the video (e.g. with a grade), then reshare with student. much more info included.

QR codes are beginning to gain ground in the UK so I've decided to write an article covering the brief history of barcodes and the lead up to the introduction of QR Codes to give you an understanding of the technology. I've been in IT for 20 years and, as with most technically orientated people, I tend to fall into the 'techie' trap when writing articles explaining technology. The article normally ends up reading like a technical manual for NASA's space shuttle so I've made a conscious effort to stick to layman's terms to make the article clear for a wide audience.

Setting parental controls