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The tech that could change TV adverts

As more people choose to watch content online, Marc Cieslak finds out what is the future might hold for TV advertising.

As more people watch television through on-demand streaming services and box sets, advertisers are finding it increasingly difficult to attract the attention of audiences.

But new video techniques are allowing advertisers to change the brand names or products that appear in television shows after they have been filmed and edited, which could help make their products more attractive.

Click's Marc Cieslak reports.

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.