Summary
Here are the key points to remember from this chapter:
A limited number of national Wi-Fi networks provide hotspots.
A few of these networks (Boingo, Wayport) are attempting to build Wi-Fi networks from scratch.
Other networks use the infrastructure of wireless or wireless telecommunications providers. (T-Mobile Hotspot is the leader of these.)
Boingo is the network with the best roaming policy.
Pricing is erratic and varies from network to network.
You can generally purchase one-time access, access by the day, or monthly access.
Some Wi-Fi network providers allow marked-up pricing; beware of retailers who overcharge for Wi-Fi access.
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