They do have other ways such as SMS if it is critical, but most people simply share the twitter link via WhatsApp and you can be more updated by using twitter. Most people haven’t moved to Bluesky or Mastodon, so if there is flooding or heavy rain most people will share updates on their location via twitter and WhatsApp like for example flooded streets.
They do have other ways such as SMS if it is critical, but most people simply share the twitter link via WhatsApp and you can be more updated by using twitter. Most people haven’t moved to Bluesky or Mastodon, so if there is flooding or heavy rain most people will share updates on their location via twitter and WhatsApp like for example flooded streets.
https://dl.acm.org/doi/10.1145/3355402.3355408
https://redlib.ducks.party/r/mildlyinfuriating/comments/1hrgu3u/amber_alert_with_details_gated_behind_a_twitter/