We regularly see news stories about employees being terminated for saying inappropriate things on Twitter or another site.

FORBES: The Anti-Social Enterprise

Ms. DANA SMESSARD (Student): If students are going to be, like, stupid enough to put, like, inappropriate things on there, then they should be punished for it.

NPR: School District to Police Students' Online Activities

Not surprisingly, someone who is clueless enough to take a bath or eat his lunch or do any number of other inappropriate things while on the phone is unlikely to realize that his behavior is unprofessional.

CNN: Make them stop eating on the phone