Summary.... Consumer spending on paid internet video grew to $939m in 2008, with sports accounting for the biggest share of the market. While overall internet consumer spending on movies jumped by 79% in 2008, the value of rental almost trebled to account for almost 33% of the total - unwelcome news for the studios, who can expect to see rental's share of the online market match that of physical media, rising to 36% of the internet movie market worth $1.2bn by 2013.