To add insult to injury, not only do they lock your account almost immediately after you've created it without a phone number - unless you managed to change its

To add insult to injury, not only do they lock your account almost immediately after you've created it without a phone number - unless you managed to change its settings to not spam your email address you will now be locked out of changing the setting and they will send you spam nearly every day. Attempting to stop the spam through the in-email link just brings you back to the "locked account give us a phone number" flow. Twitter is trash.