Streaming music service Spotify has unveiled a new ad format: full-screen billboard ads that appear once the Spotify player has been inactive for five minutes, then scroll off the screen when the user becomes active again. Mobile operator 3 is the first advertiser to try the new format in the UK, with an accompanying audio ad.
Tools: platforms to help you reach new audiences
Tools: Kaiber
In the year or so since its launch, AI startup Kaiber has been making waves,…