From the WSJ.
So you could be jailed for lying about your age or weight on an Internet dating site. Or you could be sent to federal prison if your boss told you to work but you used the company’s computer to check sports scores online. … Fanciful, right?…Think again…
The little-known law at issue is called the Computer Fraud and Abuse Act. It was enacted in 1986 to punish computer hacking. But Congress has broadened the law every few years, and today it extends far beyond hacking. The law now criminalizes computer use that “exceeds authorized access” to any computer.
How about posting a false user review?