And who would like to actually use such device, willingly? It is bad enough that our computers can be hacked, I don't need anyone directly hacking my brain. No

And who would like to actually use such device, willingly? It is bad enough that our computers can be hacked, I don't need anyone directly hacking my brain. Not to mention that sometimes you want to just take a break from your spouse's stream of grumbling, "telepathy device" would make that even harder.