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Lots of various subjects here, as usual.
WiFi has a short usable distance when used omnidirectionally (antenna pointed in any random direction), maybe a few feet to a couple hundred depending on environment. The higher the frequency, the lower the ability to penetrate objects like walls. This is why 5 GHz WiFi has such a short radius.
Download and upload speeds are usually nowhere near the same. Some DSL upload speeds are as terrible as sub 1Mbps. Still should be good enough to stream live video from most any app, but not if they are doing something else requiring upload bandwidth.
I recently told my internet provider I would like to increase the service at my parents house and pay less for it. They apologized that their junky service package was no longer available, but I could get 10x faster speed and 2x more data allowance for $10 less per month. Most people can improve their internet performance/price by simply asking.
I've bought new waterproof Android phones for as little as $10 at Target, and 7" Android tablets for as little as $45. $100 is unimpressive to me nowadays when devices can have GPS, 2 cameras, multiple core processors, accelerators, touchscreens, etc, etc for $10-45.
Technology doesn't save the world; it amplifies disparity.
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