Facebook users know the pros and cons of the people they follow. Personally, I can't wait for updates from some of my friends, but I'm less than interested in a lot of the other things I find in my feed.
Alef Aeronautics recently received a Special Airworthiness Certification from the Federal Aviation Administration (FAA) which grants them permission to start testing their “Model A” flying car. It doesn’t mean the cars are ready to go to market, but this is still a huge step forward for the technology.
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