Their average MRR per customer is four or five digits (see slide eight), and they have 2,814 paying customers according to their homepage, so their MRR is at least ~three million, which puts their ARR at at least 36 million. This implies a multiple of 25 at most. (I think 20 is a common multiple for SaaS companies at this stage.)
UPS is a shipping company first and a technology company second. Uber is a technology company first and a (taxi|courier|etc) company second. It's a difference in mentality.
As I understand it, most fingerprint scanners can only distinguish between on the order of tens of thousands of fingerprints. 50,000 is higher than other numbers I've heard for fingerprint scanners (30-40k).
There are gems like shoulda (https://github.com/thoughtbot/shoulda) that make it really easy to do the 'types and typos' kind of unit tests. The marginal time required for any given class is negligible.
You would also need to enter your username or email address, though, and that's hard to do over the phone... I guess voice-to-text is improving, so that might be an option.
They did successfully block his requests. The issue is that he was charging for the service, and that was against their policy. That's why he was disciplined (though I find their response laughable and misguided).
It's laying the fiber that's the expensive part, and there is a $300 fee to pay for that. In terms of marginal cost, it really doesn't cost them anything to serve another 5MB/1MB connection. They want to get you hooked so you'll want to upgrade later.
When you work more than 40 hours per week, you're borrowing time from your future self. However, the interest rates are very high, and so usually it doesn't make sense to borrow this time.
This article left a bad taste in my mouth. Companies that have millions of active users are hardly bridges to nowhere that are devoid of economic or public value.