This could become a way for paralyzed people to communicate. It might become a way for the government to get information from people (and obviate attempts to get information by torture). At present the system requires not only our general knowledge of where things are typically thought in the brain, but knowledge of the brain operations of the specific individual, and this latter requires about 16 hours of investigation of the subject individual before successful mind reading.
If this system could overcome that arduous preliminary learning and if the system could be shrunken down to the size of a skull cap, perhaps hats would come back into fashion. A dating service might offer the hats to be worn for users of the dating service. It might be a sport to go on dates with these hats in which you get the low-down of what your date is really thinking about.
When x-rays were first discovered, the newspapers entertained the possible future in which people could walk down the street wearing glasses through which you could see the bodies underneath the clothes. But that was a very long time ago, and nothing like peeping glasses has eventuated so far as I know.