There's a great little post on XKCD examining the speeds of data delivery--especially useful given today's confirmation that Saturday USPS delivery is shutting down. It's long been the case that if you need to send someone a lot of data--like, a few hundred gigabytes--it's faster to just FedEx the hard drive. But internet throughput is growing steadily, whereas FedEx's delivery capabilities have a distinct cap--so when will the internet truly be faster than FedEx? Read the post here.
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