Roku's platform revenue, which includes advertising income, topped $2bn last year for the first time ever, according to the latest company data.

Why it matters

However, growth slowed considerably through 2021 in part due to supply chain disruptions among key advertiser categories. The video streaming company added that verticals like restaurants and travel had strong growth, while automotive and CPG experienced supply chain disruptions that led to "Q4 softness in advertising spend".

However, they have managed to diversify their advertiser base, with the number of advertisers growing by more than 20% in 2021. As well as this, they retained over...