Free WiFi in hotels all around the world!

Yesterday, HotelBlogs was attending the Hotel Website Marketing conference at the Hilton Kensington London. And with no surprise, there wasn't any free WiFi on the ground floor of the hotel where the event was hosted. We couldn't even get the paid WiFi access either...
As I was tweeting from my 3G access on my mobile this problem, some others join in and I came with this business idea: create a website where you will list all hotels who offer free WiFi for their guests.