Once, while filling in the registration form on ripn.net, I thought: leave your real phone number or not? Will it be used by “spammers”?
What do you think, is it possible to openly leave your phone number or not? Will there be a time for mass sms research with advertising content, as is the case with e-mail now? Were there any cases of mass mailing spam sms? ')
ps. having asked such a question, he immediately imagined the black lists of the telophonic number of spammers, the texts of spam-sms and other attributes of protection against spam on the phone