Chris Sacca, Google’s municipal Wi-Fi champion says....
  
<"To start with, Google’s local advertising revenue from the network won’t come anywhere close to the estimated $15 million in infrastructure costs.">

<“It’s a process of learning. There are a lot of things that we wish we knew six months ago.”>

http://www.redherring.com/Article.aspx?a=16991&hed=Google%E2%80%99s+Tangled+Wireless+Push&sector=Industries&subsector=InternetAndServices

Hmmm... do you think Google wishes they would've never started the project??