Michele wrote in last week to point out that she broke a fingernail on her Blackberry Pearl. “Those little buttons are lame when it comes to texting,” she says. “Not only are they small, but you have to use a lot of force. A perfect recipe for a nail disaster and that’s exactly what happened to me; right after a manicure no less.”That’s unfortunate. No one deserves to wreck a manicure that way. But Michele can take some solace in the fact that her keyboard should loosen up with use. She doesn’t say in her e-mail, but I’m guessing that her Pearl is relatively new.Michele does bring up an interesting issue, though. ...