For those of you who travel extensively and need a quick lookup as to where hotspots (commercial and free) might be located, try:
The site has matured since it was fired up this summer.
It's one of the best WiFi directories out there although nothing is perfect. This is not a Stumbler database or a house for techies. For business use it serves the purpose.
Like some early writers here indicated, it's a commercial site and there are ads. Commerce is what makes the world go round...just like here at Netstumbler.com