https://news.ycombinator.com/item?id=12089993 … < On WhatsApp not working in Saudi. Calls are filtered by firewall, so the UI just blocks them rather than timeout.
Of course more advanced analysis is possible, but there are development and runtime costs, hopefully high.
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I don't claim this is a fully-developed solution, just a possible framework for how it could be done.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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