I work in logistics building a transportation management system. Our unsolvable question is not technical - how do you get trucking companies to use technology? It is more unsolvable than the 7 Bridges of Koningsberg.
Cybersecurity! I just started on Hack The Box. I am not sure if I want to go all the way for OSCP. Regardless, it is really fun and I've always wanted to learn how to "hack".
I wonder what the second order effects are of everyone wising up to DTC.
Casper is a mattress company, not a tech company. The same can be said for Warby, Away, Allbirds etc.
I think it is likely for the ad revenues of Facebook and Google to slow their growth in response to VC financed commodity companies throwing around ad dollars.
Pragmatic Programmer and Code Complete are usually mentioned as classic programmer text books. I own both and have probably read 10 pages between the 2 books.