While we may still not have flying cars, robot butlers or food replicators actually in our possession, you can now order something else you may have long dreamt of. It's called the Photon Matrix, and it uses lasers to track and kill airborne mosquitoes.
Not this again https://nymag.com/intelligencer/2017/07/laser-shooting-mosquito-death-machine-nathan-myhrvold.html
tl;dr this idea was pitched in 2010, this article from 2017 says the demo was faked. 15 years later and the cycle repeats.
This was mentioned in the article, although not the fact that it was faked.
I can believe that the tech has improved enough to not need faking this time around.