TikTok has reached a billion users worldwide just four years after its global launch, much quicker than social media rivals, though its ban in India is a drag on growth.

TikTok’s popularity with under-25s has contributed to a hollowing-out of Meta’s active userbase. During the pandemic, TikTok also expanded its reach among older demographics, cementing its position within the mainstream and posing a further threat to Meta. 

TikTok could earn twice as much revenue as Snap in 2022, making it the first app to break out of the mid-league in years, with a huge runway for growth backed up by ByteDance’s remarkable success in China. 

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