https://www.nationalreview.com/2019/04/san-francisco-decline-failed-government-policies/
https://www.sciencemag.org/news/2019/04/declassified-u-2-spy-plane-photos-are-boon-aerial-archaeology
https://news.umich.edu/cold-plasma-can-kill-99-9-of-airborne-viruses-u-m-study-shows/
https://blogs.opera.com/desktop/2019/04/opera-60-reborn-3-web-3-0-vpn-ad-blocker/
https://www.peoplespolicyproject.org/2019/04/08/us-workers-are-highly-taxed-when-you-count-health-premiums/
https://blog.acolyer.org/2019/04/08/how-bad-can-it-git-characterizing-secret-leakage-in-public-github-repositories/
https://www.niemanlab.org/2019/04/does-google-meet-its-users-expectations-around-consumer-privacy-this-news-industry-research-says-no/