For sure, but this converts processing power into a tangible currency. It's uniquely fit for nefarious use. If I were a spam network owner, I would have this on every page I served. If such a scheme existed, how do you think the media would respond?
Again, user tracking and data mining for use in advertising. If it ever did become a widespread problem, CPU usage can easily be countered by browsers implementing resource limits on tabs, which is already ridiculously easy on some operating systems.For sure, but this converts processing power into a tangible currency. It's uniquely fit for nefarious use.
Ah, I didn't realize you were referring to other monetizable examples! Great parallels, I'm a bit ashamed I didn't pick up on them myself. To sidetrack back to my original presumption, do you have any thoughts as to why they (these tidbit developers) are being met with legal action?