Fake reviews: can we trust what we read online as use of AI explodes?

Artificial intelligence produces plausible verdicts on hotels, restaurants and tech in an instantThe four-star hotel in Kraków in Poland, the review says, is “excellent”, a “short walk from the main square” and boasts a “first-rate” spa and fitness centre. A less positive review describes it as “small, cramped and outdated” with “lumpy” pillows. But then a family who stayed said they were made to feel “instantly welcome&rdq