Global retains the Tube contract and JCDecaux the bus shelter contract for a further eight years.

This year, the scheme covers three areas: business, talent and charity.

The streaming company has struck similar deals in the US.

Preview Distillery utilises AI and machine learning, and is fully automated.

TV is considered the most representative, while radio showed the strongest improvement, a new study found.

TV spot is supported by OOH and social ads.

Dynamic AI-generated ads are a retail first in linear audio, the brand claims.

Digital radio listenership also continues to grow.

The partnership includes best practice for brands and a film highlighting the low representation of disabled people in advertising.

GroupM had forecast the $1tn mark to be reached in 2025.