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Users are always identified to you by email address, phone number or both...

An account system using phone numbers may have a negative impact to privacy. For some people a phone number is attached to a real name and address. Also it is not uncommon for a person to change their phone number from time to time.

I would hope this is just poor execution on the manufacturers behalf and will eventually realize that making the battery an upgradable module would be a great selling point. However, based on experience I don’t see manufactures wanting to sell better batteries when they can make it exclusive to newer models. I think after the proliferation of EV’s we will see a lot of aftermarket batteries with significantly better specs.

Interesting language. The comprehensions are a neat feature and similar to Python in syntax. No support for ternary or assignment operators. The lambda syntax is not very intuitive if you have no arguments and more than one statement to execute.

  let e1 = {
    return "e1 called!"
  }

  let e2 = -> {
    return "e2 called!"
  }
e1() has expected behavior but e2() does not and e2()() has expected behavior. Not sure why?