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wp381640 | 3 years ago
I don't see how he thinks tweet content alone will be enough to verify the 5% of monthly monetizable users
The other poor indicator was his tweet about sampling _100_ of his own replies to detect bots. That's a horribly small sample and horrible selection bias
The firehose is terabytes a day, add storage + indexes and it's pretty far from "fitting on an USB stick" in order to analyze.
agnosticmantis|3 years ago
Maybe from now on we should use statistics as the epitome of difficult intellectual activity instead of “rocket science”.
smcl|3 years ago
coffeeblack|3 years ago
oefrha|3 years ago
Isinlor|3 years ago
His modus operandi is taking quick decisions and backtracking if he is wrong.
Actually it's not only his modus operandi, SpaceX according to NASA evaluation is also working that way.
It's basically depth first search vs. breath first search.
Dr. Daniel Rasky, a NASA Senior scientist
https://youtu.be/MxIiiwD9C0E?t=1464 :
> I think there are some things and kind of going back to in some ways back to the Apollo days if you take a look at kind of the environment that NASA had in Apollo it was kind of what Elon has with his young engineers. you had you know people trying things and in what works and what doesn't work I think over the years we've gotten into a very risk-averse profile and we're I call it full matrix engineering that okay that all concerns that anyone can raise have to be chased down a hundred percent before you can make any decision. Okay, so yeah like a full matrix of all the things that may be pertinent to a certain decision and you have to fill that entire array before you can make a decision to go forward and there's times when that makes sense but it doesn't make sense for everything we do. SpaceX uses a sparse matrix okay 51% okay when do when we get to 51% okay enough we're gonna make a decision and then we're going to try it and move on.
Barrin92|3 years ago
hef19898|3 years ago
shp0ngle|3 years ago
coffeeblack|3 years ago
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honkdaddy|3 years ago
Either way though, I expect Musk, the richest man alive, can afford to pay a handful of senior engineers a couple weeks pay to store and run some analysis on the firehose. It's a lot of data, but at "fuck-you" level money it's certainly manageable.
HWR_14|3 years ago