UK altnet full fibre rollouts are accelerating, with an aggregate build pace close to that of Openreach, but customer acquisition is not growing at the same pace, and overbuild in the most attractive areas is becoming a significant issue.

Altnet business models remain challenging and are getting worse as Openreach builds out, and (although there are some notable exceptions) most will need to rapidly achieve scale and turn around their performance to survive.

Consolidation is very likely, along with business failures, and while some market share loss for Openreach looks likely as serious scale players emerge, the downside is limited, and even more so for retail ISPs.

With sport at the heart of the pay-TV ecosystem, dedicated online-only streaming services could emerge as a threat to leading players like Sky 

The liveliest newcomer, DAZN, launched in 2016 with mostly second-tier sports. Now in seven markets and counting, it has recently made bold moves into top-flight competitions, notably in Italy, albeit as a secondary player 

History has not been kind to those challenging pay-TV incumbents by selling sports unbundled—particularly in Europe, as Setanta, ESPN, beIN SPORTS and Mediaset can testify. If DAZN can stick to secondary positions in premium rights, or simply less-expensive sports, perhaps it will fare better