Alphabet's stunning growth reflects a shift online that has outlasted pandemic restrictions. Google search is at the heart of online commercial activity

YouTube's slower growth is not yet cause for concern: it is still the biggest website in the world, with growth potential through subscriptions and transactable ads, as well as more brand spend

Alphabet might struggle to balance privacy concerns in the context of the online advertising ecosystem. The future of personalisation in ads is uncertain as Alphabet cancels one of its cookie-replacement technologies

With elections in the UK in December, and in the US in 2020, online political advertising is receiving intense scrutiny. Google has announced limits on targeting, while Twitter has banned politicians from buying ads

Facebook is the big player in online political ads, and it continues to allow targeted political ads, and to carve them out as exempt from fact-checking

Facebook wants to keep Republicans on side and surf the revenue opportunity, but pressure will increase with US elections, and we expect Facebook to bring in restrictions

Broadcaster video on demand (BVOD) advertising is in demand with an £89m rise in 2018 spend to £391m, and is predicted to double within the next six years

The rise of on-demand viewing has created a scaled advertising proposition with a strong 16-34 profile – a relief for both broadcasters and advertisers, given the long-term decline in linear TV impacts for younger audiences

Big challenges remain: linear TV ad loads look excessive in on-demand, BVOD CPTs can be off-puttingly high, and measurement is still unresolved. BVOD is a welcome bright spot which faces online video competition head-on, but it won’t be able to turn broadcasters’ fortunes around alone