Mobile sector returns are low, particularly for smaller-scale operators, with H3G earning less than its cost of capital. Regulatory initiatives, spectrum auctions and 5G look set to worsen this picture as H3G strives to gain viable scale

Back-book pricing is crucial to the returns of fixed challengers. Regulatory intervention is likely to lead to a waterbed effect in the fixed sector and exacerbate challenges in mobile

New entrant business case in full fibre is limited to de facto monopoly opportunities. There is the potential for BT’s returns to increase markedly if it gets full fibre right but new entrants’ inferior economics are unlikely to offer sufficient investor appeal

Google’s Stadia promises the most credible game streaming service yet, but building a subscription bundle of top titles would require an all-out bet in the sector

Google is building its own game studios – to win over others it must overcome a troubled history in gaming, mitigating risks to developer business models and creative integrity

Games are much more technically demanding to stream than video, presenting an advantage to Google, Microsoft and Amazon – and a boost to telecoms network demand, welcomed by operators

Governments and operators have come under increasing pressure to exclude Huawei’s 5G equipment from national networks, with justifications usually kept vague and wide-ranging rather than specific, and no evidence provided.

Given the role of Huawei’s 5G equipment in the network and the extent of existing testing and checking, realistic security risks that apply to Huawei and not to all other equipment suppliers are hard to conceive.

The risks of any ban are however very real; with Huawei one of only three global-scale telecoms equipment suppliers, and the preferred early choice for 5G radio equipment in the UK, removing this choice will massively increase costs and delay roll-outs of cutting-edge connectivity.