That's not the only way Twitter uses to collect phone numbers. It can arbitrarily block your account and require to confirm a phone number to unblock it (under

That's not the only way Twitter uses to collect phone numbers. It can arbitrarily block your account and require to confirm a phone number to unblock it (under excuse of "better security"). How disclosing your phone number helps being safer I don't understand. Now those collected and leaked phone numbers will be available not only to Twitter and US government but to anyone wishing to buy them from hackers.