[2/*] That's "just math". Even if we assume a 99% chance that a tool still works on the codebase after a year (an extreme rarity these days!), that graph looks like this:pic.twitter.com/Z0mtFFoJM3
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[13/*] Well, if you assume that Twitter's collective codebase is a 1000+ dependency nightmare, as I assume it probably is, then the math kind of tells us the answer: the vast, vast majority of their time will have to be spent simply keeping their existing code working.
No need to speculate. Just ask. A lot of what happens at these large companies is important but mostly invisible to end users (or are things they just take for granted). Fixing dependencies hasn't been a significant factor in my experience.
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