Sir Martin Sorrell's advertising group WPP posted a lower-than-expected 3% increase in third-quarter like-for-like net sales on Friday, due to growing concerns over geopolitical tensions and a slowdown in the global economy. Yet WPP, which has over 179,000 staff in 111 countries, reiterated its full-year sales target, and outperformed its rivals.

Rupert Murdoch has said that America's TV and movie giants are planning to aggressively expand to ward off the growing threat from Netflix and Amazon. He told a conference that Hulu would have to grow to rival other streaming providers. "As an industry we need a competitor, a serious competitor, to Netflix and Amazon," he said.

From today four different types of interactive ad campaigns running on Channel 4's on-demand service on PCs will also include inventory on mobile. The ad formats supported on mobile include: Ad Link, which includes links in pre-rolls; Ad Extend, which offers longer versions; Ad Bloom, with a microsite; and Ad Shop, for e-commerce.

The latest figures from GfK's consumer confidence index show that propensity to make a big purchase fell by five points in October compared to September to -5. This was despite a three-point increase in how confident people are that their personal financial situation will improve over the next 12 months. It predicts that electrical goods will see "steady if not spectacular" growth.

Microsoft has jumped aboard the crowded fitness bandwagon, already crammed with the likes of Apple, Samsung and Google, with the launch of its own digital wristband. The imaginatively titled Microsoft Band carves a niche for itself in a crowded market by dint of its cross-compatibility with all three smartphone operating systems, ensuring it isn't boxed into any one ecosystem.

Facebook founder Mark Zuckerberg has revealed his sales targets for the recently acquired Oculus Rift VR business, stating that anywhere from 50 to 100m units would represent a success. The hyped headset maker has thus far shifted 100,000 developer kits but Zuckerberg remains focussed on the mass market in order to recoup the social networks $2bn outlay.

Instagram is now selling video ad inventory, partnering with Disney and Activision at launch. Banana Republic, The C.W. Television Network and cosmetics business Lancome will also run videos in the coming weeks. The brands will appear in 15-second autoplay spots that appear within peoples' Instagram feeds, similar to previous tests from Burberry, Levi's and Ben and Jerry's.

Movember is changing marketing tack this year, bringing its focus back to its men's health message as it looks to appeal to a wider audience and boost fundraising. An outdoor campaign to kick off the "Made In Movember" drive features writer Jack Dyson, who survived testicular cancer. He will also take part in "Ask Jack Anything" Q&A sessions on Twitter and Facebook.

Northern & Shell are investing in the development of their CRM systems in a bid to secure the publisher's data as digital trading techniques to form a more substantial part of the business, according to head of programmatic Ben Hancock. Hancock said that a steady rise of the method within the publisher's advertising strategy had placed more urgency on protection of data.

BSkyB has invested $7m (GBP4.3m) in Whistle Sports, an American start-up that runs a sports network on YouTube targeting young "millennial" viewers, who are abandoning traditional television. The deal, which it is understood will give BSkyB a minority stake in Whistle Sports, is the latest in a string of investments in start-ups that aim to help safeguard the future of the broadcaster.