The somewhat dramatic "three felonies a day" mostly boil down to some variant of "Honest Services Fraud". Commonly cited examples include calling in sick without being sick
It's also very easy to trivially commit wire fraud.
Indeed, if you check facebook when you claim to be sick and you are not sick, you are billing your employer, so calling in sick is wire fraud and checking facebook (if their ToS bans use for unlawful purposes) is unauthroized access to a protected computer system in furtherance of another crime (and therefore a felony).
It's also very easy to trivially commit wire fraud.