Cross-device identity profiles are used to stitch together fragmenting online ad audiences, but also to enable new links between advertising and marketing, across European markets

This moves value from media itself to understanding each consumer and how they access content and services on proliferating connected devices

By 2020 we predict that 58% of all UK online ad buys by value will make use of high-quality audience IDs, led by the largest advertising platforms but limited by privacy regulation and cost

Subject to BBC Trust approval, Canvas looks almost certain to launch in spring 2011 after the OFT decided that it did not have the jurisdiction to review Canvas under the merger provisions of the Enterprise Act 2002. The OFT decision does not rule out complaints on other grounds, but the chances of persuading the regulators look very small

The launch of Canvas promises to strengthen significantly the free-to-air digital terrestrial platform, otherwise very limited compared with satellite and cable platforms in terms of bandwidth, but mass adoption poses numerous challenges and it is open to question whether Canvas will ever extend to more than half the DTT base

In the long term, it is hard not to see Canvas as an interim step in the growing convergence between the TV screen and the internet, raising the question of how successfully its PSB TV-centric approach can adapt to the coming challenges of the full blown digital age