The Google-owned video content site YouTube is primed for a 50% surge in advertising revenue by the end of 2013, according to eMarketer. Acquired by search and tech giant Google in 2006 for $1.65bn, YouTube has more than one billion viewers every month and attracts about 20% of all advertising spending on US online video, with 80% of traffic coming from outside the U.S.

Brighton digital agency iCrossing has announced the win of British retailer Debenhams' natural search and SEO business to help push online sales.

A report from On Device, the mobile market researchers, has revealed that 44% of survey respondents prefer subscription service Whatsapp to Facebook's messenger facility.