Confusing Job Titles

I’m confused about job titles. I see postings for positions like Account Executive and Marketing Representative, but they all seem to be describing different jobs. What’s up with that?

What does TBD in a job posting mean?

What does it mean on a job posting when it says TBD in the salary section?

Organizations attending Career Expo

Why aren’t there any ad agencies or PR firms coming to the Career Expo?

What do I say about salary history?

I have two questions about salary history. First, what should I put in a cover letter when the job ad says to include salary history? Second, what if an employer asks me in an interview about my salary history? I’ve only had unpaid internships and I feel dumb saying “I have no salary history.”

Job postings that do not include company names

Why is it that many jobs I see posted on online job sites don’t name the company. Is this a scam? I’m not sure if I should respond to ads like these.

Using a Professor as a Reference

I'm a recent graduate and I would like to use a professor as a reference. Is there a certain protocol I need to follow in order to ask permission for use of his/her name as a reference?

The value of an unpaid internship

Are unpaid internships legitimate? It seems to me these companies are just trying to get cheap labor from college students.