In article you write:
>> Robotexting Law Violates Free Speech Rights, Facebook Says
>> by Wendy Davis
>> A law that prohibits companies from sending robotexts to users without
>> their consent violates Facebook's free speech rights, the company says
>> in new court papers.
>> The Telephone Consumer Protection Act "runs headlong into the First
>> Amendment," Facebook says in a petition asking the 9th Circuit Court
>> of Appeals to immediately review a trial judge's refusal to dismiss a
>> lawsuit accusing the company of violating the law.
>Wasn't it established long ago that advertising can be restricted to >some extent?
Yes, there is specific case law, Joffe vs. Acacia Mortgage.
Text messages are covered for the same reason that faxes and incoming mobile phone calls are, they're not just annoying but they often cost the recipient actual money. Some people have unlimited text bundles, but a lot of us don't.