This one category choropleth map (which for some reason bleeds outside the borders of the U.S.) claims to show the "seamless coverage of in flight Internet service". Interesting, this claim is immediately countered by the footnote which clarifies that "Coverage area is an approximation. True coverage may vary."
Truly, a very useful and informative map of the information age.
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Inflight WiFi Internet is done via satelite. It "bleeds" outside the borders of the US because those areas have satelite coverage and are on jet routes. Whether satelite or wifi transceiver, the range of reception is always approximate. Radio transmission depends upon weather conditions. In addition, individual transceivers on the jets and satelites may vary in performance. So, they are indicating that the boundaries are fuzzy.
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