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A single point of failure triggered the Amazon outage affecting millions
(arstechnica.com)
This is a most excellent place for technology news and articles.
I actually only go for the 400Mbps down plan, and it's 40Mbps up across all of their plans, including the 1.2Tbps plan. I believe it's some outdated hardware limitation of cable or something, at least that's what I've heard.