Despite next year's World Cup and Winter Olympics, Zenith has again revised down its ad forecast for 2018, "Campaign" reports. Globally, spend will be down 4.4% to 4.2% and from 2.2% to 2% n Western Europe.

Apple may have given up on its London music festival, but Spotify believes there is a branding opportunity in the capital. "Campaign" reveals it has announced a hip hop and grime concert at the end of November at Alexandra Palace. The "Who Will Be" gig will be headlined by Dizzee Rascal.

"Campaign" reports that as the world's largest ad agency, WPP is coming under strong pressure to streamline its offering. The site suggests that one radical option is to merge some, or all, of its four most lucrative creative agencies -- Ogilvy, J Walter Thompson, Grey and Y&R -- or simply reduce the number of agencies it has to serve countries outside its top twelve markets.

There are no prizes for guessing that research reported on today in eMarketer has found that UK mobile phone users' consider pop ups the most annoying ad format on the small screen. At 28% of respondents, it was just ahead of any ad format that takes over the screen, at 26%. Nearly one in five -- 18% -- reported that they were most fed up with ads that slow down mobile internet pages downloading.

"Marketing Week" is describing it as a "risky" move, but Vodafone claims it is confident the launch of a new sub brand for millennials will work and will not be considered patronising to a youth audience.

Netimperative is asking another thorny metrics question of Facebook -- has it been inflating its figures? The question arises because in the US the social media giant is claiming to reach more 18- to-24-year-olds and 24- to-34-year-olds than census data reveals actually exist.

Sky News is reporting that the crisis involving disgraced PR firm Bell Pottinger could be so bad that it could be forced to bring in the receivers as early as next week.

Domino's is reviewing its digital and CRM briefs after parting ways with Iris. "Campaign" reports that the split was caused by Iris picking up KFC's business in the UK.

"The Guardian" reports that Apple and Amazon are emerging as frontrunners in the race to win the distribution rights for James Bond movies. The current deal with Sony expired with the release of the most recent Bond movie, Spectre.

A House of Lords inquiry into the future of advertising is set to launch later this month. "The Drum" reveals that the chief executive of the Advertising Association, Stephen Woodford, is expected to provide the first committee interview.