Fake online reviews are a huge problem for consumers – but also a huge market: Worldwide, millions of people write fake reviews for money. Online retailers like Amazon try to tackle the problem – with AI.

With its googly eyes and cute sounds, the robot Lovot was designed to be loveable. Why are such robot companions especially popular in Japan? And can they ever provide people with the kind of companionship they need?

Social media can help against loneliness. But sociologist Anne Deremetz says we must also continue meeting in person or we risk falling out of practice – and technology can never replace face-to-face interactions.

Dawn Café in Tokyo has found a way to use robots to boost inclusivity. The robots who wait on tables here are piloted by people with illnesses or disabilities. This creates jobs for those who are homebound and increases their social participation.

War video games are becoming more and more realistic and brutal. Are scenes of violence or obvious political bias acceptable?

"Reporters Without Borders" have created a palace full of books and articles in Minecraft. They want to provide independent information to people living under authoritarian regimes.

Games like "Death from Above" are deliberately political. They play an important role in the information war.

In this first-person shooter, users slip into the role of a Ukrainian soldier. Part of the profits goes to fund Ukrainian aid projects.

Games depicting wars, promise action and adventure in historical or fictional battles. But how does this affect players?

The human brain is much more energy-efficient than current AI systems. Australian startup Cortical Labs hopes its biological chips made with human neurons will be a game changer.