What is fiber? With Jerome Nicolle (consultant)

They’re almost as old as the Internet, but they generate billions of dollars for advertising giants. They are sometimes called cookies, except that they are also essential for the proper functioning of the Website. But by the way, what is a cookie?

We never see them, and yet they are essential to the Internet. Thousands of kilometers of submarine cables connect the different continents with each other. But in fact, who takes care of it? How are they secured?

It may have helped Donald Trump become US president, fueling conspiracy theories and pushing some not to get vaccinated. But by the way, what is online misinformation? Who distributes it and why? We talked about it with the journalist Thomas Huchon.

He is more threatened than ever, accused of sending our data directly into the hands of the Chinese government, while brutalizing our children. But by the way, what is TikTok? Should we really be afraid and ban this app?

It is a practice as wide as it is popular, but it is still the subject of many clichés. As in sport, Esport professionals are international stars, although with a certain generation gap. But by the way, what is Esport in 2023?

We have all dreamed it. At least, science fiction fans. This totally virtual, infinite, realistic world, where everyone could live their ideal life. This is also the great promise of the technological giants, starting with Facebook. But by the way, what is the metaverse? A revolution, an evolution or an overused marketing term? Nicolas Lellouche, journalist

It is a bit the alpha and omega of the protection of our personal data. Since 2018, the GDPR has very strictly regulated the use of billions of pieces of information, for French and European. But by the way, what is the GDPR? How does it protect us and from what? Oriana Labruyère, digital law lawyer

Scroll infinitely on Instagram, chain hours of video on Twitter or even spend the night in front of a video game. Faced with these behaviors, ours or those of our children, we often talk about addiction to screens. But by the way, what is an addiction to screens? Really exist? Raphael Grably receives the psychologist Vanessa Lalo.

It’s almost everywhere. And he makes the fortune of Google or Facebook. But by the way, what is targeted advertising? Who’s behind? How does it stalk us in every corner of the internet? Paul-Olivier Dehaye (mathematician and director of the Hestia company) answers all these questions.

A pretty woman approaching you online or an overly attractive contest. These methods have been used for years by so-called pastors. Scammers wanting your bank account and trying to trick you on social media. But in fact, what is a herbivore? Or rather, who is it? How to detect them and, above all, avoid them?

Sometimes the most valuable and unexpected information is in front of our eyes, and you just have to know how to look for it. This is the fundamental principle of OSINT, open source research, in which some journalists have specialized. But how does OSINT work? Can we all become Google detectives?

Smartphones, connected objects, video surveillance, facial recognition… So many technologies that have invaded our daily lives, but that we also look at with suspicion. With a nightmare scenario: being heard, watched, everywhere, all the time. But what is cyber surveillance? Who is watching us and why? Do you have to get paranoid to protect your privacy?

It is perhaps the site that best symbolizes the Internet: knowledge for all and by all. For Internet users, Wikipedia has become as basic a reflection as Google or Amazon, minus the lucrative aspect. But by the way, what is Wikipedia? Who manages? Who decides what can be written there? Jonathan Mouton, vice president of the Wikimedia France association

We call it the cloud, or rather “the cloud”, in English. Our life is often stored there, whether we have a smartphone or a computer. But specifically, where are our vacation photos? Who protects them? How are they secured? Raphael Grably welcomes Rémy Vandepoel, “cloud evangelist” at OVH.

For some, it is a scam. For others, it is a very profitable business. This practice is often associated with influential people, and not necessarily the best. But by the way, what is dropshipping? Raphael Grably receives Hugo Weber (Mirakl).

For some it is the future of art and for others it is a superficial trick. The NFT, a non-fungible token, sometimes sells for fortunes. How do NFTs work? Do they really have an interest? The answers with Raphaël Bloch, from The Great Whale.

It has made the fortune of Facebook or Google and is the dream of many web giants. But it also attracts hackers and scammers. Now at the center of the concerns of Internet users, it is the subject of intense debate by regulators. But by the way, what is personal data? The answers with Marc Rees, from L’Informé.

He made fortunes and ruined others. Some see it as the currency of the future, others as a highly speculative asset. But by the way, what is bitcoin? Who has an interest in developing it, who tries to slow it down? How does it work? The answers with Raphaël Bloch, from The Great Whale.

A few years ago, we typed them carefully on our keyboards… They seem harmless, but domain names represent a real economic problem, sometimes political or geopolitical. How does a domain name work? Who is in charge? Raphael Grably receives Pierre Bonis, CEO of Afnic.