• David Lyle has been appointed as chief executive officer of the National Geographic Channels US and will assume responsibility for global programming.

• Aegis is strengthening its presence in the mobile sector, with the launch of Isobar Mobile.

• Spanish media company Unidad Editorial has selected AudienceScience as data management partner to assist with audience targeting campaigns across its online sites.

• The UK TV advertising market grew by 14.1% in 2010, corresponding with a viewing increase of 17 minutes.

• Kantar Video, the online and mobile video research division of Kantar, has appointed Arthur McKinley as vice-president of business development.

Scripted dramas were brought back to the forefront in the UK following the success of Downton Abbey, which drew in an audience of 10.8 million viewers.