24 November 2015
Last updated at 00:31
Mobile lessons
Teaching children in Africa via text messages
Are you a 'disruptive talent'?
The BBC's Elizabeth Hotson explores the latest business buzz phrase - "disruptive talent" - and why Sir Richard Branson thinks companies should employ more of them.

Robot revolutionary
Changing Kenya's education with mobiles
Taking on the ad world from India
Women-first dating revolution
The two Estonians taking on the banks
India's 21-year-old hotel boss