Modern day advertisements could soon begin appearing in old episodes of your favourite TV show or in films that came out decades ago as product placements get a 21st-century upgrade.

TV networks, film producers and advertisers are discovering a different way of making money from shows they first put out years ago by inserting computer-generated products into scenes.

Producers can now put a different billboard for a brand still relevant today behind the characters in a film from the 90s that is being shown on TV, or a different bottle of beer next to a character in a TV show that came out years ago.

The new AI technology has been used to digitally insert product placements in the French TV shows Call My Agent

One of the main companies involved in the technology is the British firm Mirriad. Its artificial intelligence tool scans scenes