I looked up some info on the internet about WiFi access, this may be 
a little dated, but it gives some insight into what is involved:

Enablers:
Unlicenced Spectrum at 2.4 Ghz and 5Ghz 
Low cost Wi-Fi access points 
Availability of laptops with built-in Wi-Fi 
Ubiquity of broadband connections to Internet 

Inhibitors:
Who pays? (Free versus pay for usage) 
Who maintains?   (@@@ Seaside enviroment)
High cost of backhaul (DSL, Cable, Fiber to the home, Metro 
Ethernet...)   (@@@ How much capacity would we need, who from??)
High cost of roof rights  (@@ MM on beach, where else???) 
High cost of pole rights  (@@ MM on beach, where else???) 
Limited electrical sources  (@@ MM on beach, where else???) 
Roaming agreements and fees charged by different networks 
Limited range of a single access point (@@ How many would we need?)


Paradigms:
Wi-Fi Cards nearly obsolete. Nearly all laptops include Wi-Fi. 
Consumer Wi-Fi Access Point under $100, Commercial grade APs under 
$600. 
Low cost Wi-Fi hot spot for around $200. Does not include access 
control. 
A city wide Wi-Fi network to cover the city of Philadelphia was to 
cost only $10 million 
Many Metro Ethernet projects have folded due to underestimating costs 
and overestimating revenues 
Monthly operating estimated profit of a cafe hot spot estimated 
around $116 and monthly operating profit of a hot spot at airport 
around $14,167.Wi-Fi Industry Basics 
T-Mobile (uses pay model) abandons Starbucks (related to above?) 
AT&T takes on Starbucks as a side-line to the POS business 



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