Shares in Facebook oscillated in Wednesday after-hours trading as mobile advertising continued to drive revenue growth, but it warned over a hit to profitability from growing investment in security.
Revenue for the three months ended Sep 30 was up 47pc on a year earlier to $10.3bn (£7.8bn), thanks to a 49pc increase in advertising revenue. Of this advertising revenue, around 88pc came from mobile adverts, up from 84pc a year earlier.
on how many adverts it could fit into News Feeds without irritating users, but the group has recently been looking into putting adverts into its Messenger application and photo-sharing app Instagram.
Facebook’s advertising revenue stream has recently been the subject of a Congressional hearing, with its general counsel over recent days giving evidence on how Russian-backed actors used its platform to disrupt the Presidential election.
Founder and chief executive Mark Zuckerberg said that while the business was “doing well”, its focus was on making sure its services weren’t being used to drive communities apart.
“We’re serious about preventing abuse on our platforms. We’re investing so much in security that it will impact our profitability. Protecting our community is more important than maximizing our profits,” he said.
Facebook warns on future profitability despite ad revenue surge – Telegraph.co.uk