Maybe I'm missing something here, but wouldn't hackers just allow for these scans in the trojans they write? Pretty sure it would be easy enough for them to conceal their creations from the system scan required to pass the so-called health certificate. And then you're back to square one. So if I understand what he's suggesting properly, the whole issue of privacy is moot. The method used to check simply won't work in the first place.
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And that makes a difference how? It's still a blatant invasion of personal privacy, low res or not.
Participants in the study were asked to carry out an easy task and a hard task while being flashed with everyday objects in one eye and a strong flashing image in the other. The strong flashing image cancelled out the images of everyday objects in the other eye so that the participants were unaware of them. When the participants were carrying out an easy task, the brain scan detected activity in the primary visual cortex, indicating the subliminal images did register. However, when carrying out the hard task there was no activity, indicating the images did not register.
The implications for such uses as subliminal advertising is interesting, suggesting that subliminal messages in ads may work. However, further studies will have to be done to evaluate the precise impact of subliminal words and images."
A survey of 140,000 small to medium-sized business (SMB) users has revealed that the Mozilla Firefox browser is now almost on equal footing with Microsoft's Internet Explorer in the SMB market sector. What's more, the gap is narrowing dramatically every month."