It may come as a surprise, but London is not one of the best cities in the UK for 4G, the BBC reports. A Which? study reveals that Middlesbrough has the best 4G in the UK and Bournemouth the worst. London came in at a surprisingly lowly 16th in the top 20 cities for 4G coverage league table.

The Advertising Association is calling on the Government to bring in advertising tax breaks for SMEs, "Campaign" reports. The tax relief, it claims, could work like research and development credits and, for its part, the AA says it could be provide a knowledge bank guiding SMEs in their choice of marketing tools.

Anyone claiming that female marketers never make it to the top should check out Jill McDonald, who is reported in "The Drum" today as moving from CEO of Halfords to run M&S' underperforming clothes range. McDonald is the former CMO of McDonald's in Europe, who started her marketing career at Colgate Palmolive and British Airways.

German publishing giant Axel Springer will stop using Google's DoubleClick platform and will instead transition to AppNexus, "The Drum" reports. The phased move will begin next year as its sites, including Bild.de and Welt.de, move to the new technology.

ITV's Chief Executive, Adam Crozier, is stepping down after seven years in the role. "The Guardian" reports that the commercial broadcaster's finance director will assume the role temporarily and a full-time replacement is expected to be announced soon.

A Meetrics report has shown that banner ad viewability fell from 49% to 47% in Q1. "Campaign" reveals that researchers believe this means around three-quarters of a billion pounds would be wasted per year on unseen inventory and that the rise of mobile is partly to blame.

A report from the Commons Home Affairs Committee concludes that social media companies are putting profits ahead of safety and should face fines of tens of millions of pounds for failing to remove extremist and hate content, "The Guardian" reports.

Parents will not find it too surprising to hear that the latest Global Web Index research reported on in eMarketer shows that teens spend just over three and a half hours going online on a smartphone -- nearly 50 minutes more than the average adult.

Costa has appointed Bartle Bogle Hegarty (BBH) London as its global advertising agency, "Campaign" reports. The Publicis Groupe agency won a competitive pitch against Anomaly London, CHI & Parnters and Grey London. The process was run by AAR.

EBay is the new sponsor of the Capital London Breakfast Show, from today. According to "Campaign," eBay spent GBP6m on radio last year and so has a track record of supporting the channel.