Free speech really should be free. To bypass the new censorship regime at twitter, use this URL shortener to link to Mastodon or other censored destinations. Considering recent policy decisions on twitter, please be aware that use of links generated from this site may constitute a violation of their policy.
Oops look, Twitter asked you for your phone number supposedly to secure your account, but in fact they sold it to advertisers to make money. Combined with your email address, of course. For 6 years (until September 2019).