Cases in which some sites have gone from blocked to unblocked for testing event detection

[hellais]

@FedericoCeratto was asking me in private for a sample of these events. I am going to use this issue to track those and document them.

[hellais]

Cases of going from unblocked to blocked:

• https://ooni.io/post/2019-benin-social-media-blocking/#ooni-measurements
• https://ooni.io/post/venezuela-blocking-wikipedia-and-social-media-2019/#blocking-of-instagram-twitter-and-youtube
• https://ooni.io/post/2019-china-wikipedia-blocking/

Cases of going from blocked to unblocked:

• https://ooni.io/post/ethiopia-unblocking/
• https://ooni.io/post/venezuela-blocking-wikipedia-and-social-media-2019/#blocking-of-instagram-twitter-and-youtube

[FedericoCeratto]

Side to side comparison:
https://explorer.ooni.org/search?test_name=web_connectivity&probe_cc=VE&probe_asn=8048&domain=twitter.com&since=2019-4-1&until=2019-8-1&only=anomalies
http://fastpath.ooni.nu:8080/webapp/chart?cc=VE&test_name=web_connectivity&input=https%3A%2F%2Ftwitter.com%2F&start_date=2019-4-1

http://fastpath.ooni.nu:8080/webapp/chart?cc=BR&test_name=web_connectivity&input=https%3A%2F%2Fwww.womenonwaves.org%2F&start_date=2016-1-1

[FedericoCeratto]

Also compare:
https://explorer.ooni.org/search?until=2019-10-04&domain=wikipedia.org&probe_cc=VE&test_name=web_connectivity
http://fastpath.ooni.nu:8080/webapp/chart?cc=VE&test_name=web_connectivity&input=https%3A%2F%2Fwikipedia.org&start_date=2016-3-1

[hellais]

Linked this from: ooni/ooni.org#1626 closing.