There's also an European one whose name currently escapes me which uses a custom flavor of LTE and special ground stations that also happily provides hundreds of mbps.
Capacity is primarily an issue on the legacy BGAN-based ones where you have a handful of mbps for the entire plane.
That said a used laptop is perfect for web browsing, office stuff, casual development and light gaming. When it dies you have no regrets. It is almost 20 years I have not bought a new laptop. Of course my kids have used laptops too. At some point they had Fujitsu Siemens with a Wacom stylus/digitizer. I do not think they still make those. They were rock solid and quite fun to use.
I only buy new laptops for my wife. She is very careful with her stuff, they last ages. I bought her a new one recently only to offer her a better screen.
2 is interesting, possible to do via LLM but I worry about data privacy and hallucinations making data more believable but not real.
I didn't have time to read the whole doc. Did it say how many SMS Delivery Reports were needed to create the model? I saw this "We repeated the classification for every combination of locations in our dataset, with sample sizes varying from 100 to 500"
I think getting 100 messages from a (series of) unknown number(s) would be alarming, but after reading this, I now know that it's a sign that I need to ... get a new burner phone and increase the size of my security detail? :^)