https://www.linuxuprising.com/2019/04/whats-new-in-ubuntu-1904-disco-dingo.html
https://www.statnews.com/2019/04/18/ibm-halting-sales-of-watson-for-drug-discovery/
https://news.ycombinator.com/item?id=19681804
https://www.willhallonline.co.uk/blog/2019-04-18-my-internet-history-in-web-browsers/
https://www.troyhunt.com/how-to-track-your-kids-and-other-peoples-kids-with-the-tictoctrack-watch/
https://www.cbc.ca/news/trending/her-facebook-life-looked-perfect-madison-holleran-suicide-highlights-how-social-media-masks-mental-illness-1.3071302
https://blog.acolyer.org/2019/04/17/teaching-rigorous-distributed-systems-with-efficient-model-checking/
https://gizmodo.com/facebook-asked-some-users-for-their-email-passwords-th-1834129792
http://www.geodose.com/2018/01/creating-heatmap-in-python-from-scratch.html