TLDR (which stands for Too Long, Didn’t Read), summarizes long articles that are too long for you to read, so you don’t have to read them.
https://lifehacker.com/this-site-summarizes-long-articles-to-you-dont-have-to-1836952823
DawsonITE is a blog devoted to Educational Technology. It's compiled by Rafael Scapin, Coordinator of Educational Technology at Dawson College in Montreal (Canada).