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Just to be clear, it won't make any difference if Starbucks installs ethernet ports at every table. If there are 25 people in Starbucks sharing a wired ethernet network, performance would likely be no better than if they all used WiFi. — stevenjklein

Not so sure - WiFi inherently is a more limited pipe (than using todays cheap wired gigabit routers) so there is more contention for bandwidth/resource and cause of colissions.

That's pretty much my thinking. Especially considering stevenjklein's comment (above) was in response to my comment about your WiFi not only having to compete with other users at Starbucks, but with WiFi users in nearby stores as well. So you've got the 25 Starbucks users, 20 users at a frozen yogurt store next door, and 40 users at the McDonald's behind... all competing for the same WiFi frequencies. And some of those users are Kindle HD owners using multiple channels simultaneously to stream High-Def videos... so each one of those is like two (or more) regular WiFi users.

I still think it's weird that the only connector for Ethernet is still this ancient phone company thing that's too big to fit on so many modern devices. Especially if you look at how many connectors there are for, say, USB or HDMI.

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