alex perez has the story. >> reporter: he says he can understand why one of his friends can be upset. >> i had mold grong in my room and carpet on my walls. >> but the company did clean up the mess. amanda says the mold was never cleaned up and she took her frustration to twitter, where she posted a sweet h saying who said sleeping in a moldy place, ecaus verizon says it's caokay. and now they are suing. her neighbors are not so sure she did anything wrong. >> i never thought complaining about something, it would go that far. >> twitter false under the first amendment, i think. >> reporter: but it's creating lots of new work and complications for attorneys. >> when a tweet, like a blog or posting, injured somebody, whether it's their business or individual representation, that's where the law comes in. >> reporter: verizon realty says they sued for a twe after she sued them claiming she violated the landlord tenant clause. >> i think the ironic part is the publicity they will get from this will hurt them much worse than that 17 followers on the twitter account. >> watch what you tweet