One of the main project my company works on is analyzing mobile phone bills for companies – a company gives out mobile phones to all its employees, then they get a huge bill every month, often delivered by post and printed on (perhaps literally) many reams of paper.
We analyze all such files electronically. That's what we do.
I was analyzing a new file format the other day, using live data from one customer. One service used by an employee is called "sexy girls". Great stuff. I'm going to go out on a limb here, and assert that was some non-work-related stuff.