I like being on Twitter, and I have studied their algorithms and graph structures from several angles. Here are some of the maps I have made of my twitter circles over the years:
https://twitter.com/deepfates/status/1222950709798162433https://twitter.com/deepfates/status/1346879388177080320https://twitter.com/deepfates/status/1346886970107162633https://twitter.com/deepfates/status/1349504913227726850https://twitter.com/deepfates/status/1403219539165319177https://twitter.com/deepfates/status/1403352422479646722https://twitter.com/deepfates/status/1403356278777253891https://twitter.com/deepfates/status/1409204099795595269https://twitter.com/deepfates/status/1409245684067454980https://twitter.com/deepfates/status/1414401310603063303