I don't travel often, but when I do there are usually computing devices in my baggage. This apparent trend of injecting advertising in the hotel WiFi is alarming and the fact that it can break web pages adds to the abusive nature. Since it is Freakout Friday, here is my contribution. Caution: this article contains technical jargon and may be incomprehensible to non-Geek readers. Just keep browsing if you don't know what "SQL injection" means.