The singer returns from exile to a hero's welcome but still wants changes for suffering Zimbabweans.
A new class of workers, using laptops and wi-fi can and do work anywhere in the world that is warm and cheap.
The rapper suggests the enslavement of African Americans over centuries may have been a "choice".
Facebook says it will provide a private online dating service - but users have their doubts.
The technology giant plans to double its share buyback scheme to $100bn as it returns more cash to the US.
Singapore airport is testing facial recognition systems to help speed passengers on their journey
Some Facebook users mock the sudden appearance of the button under every post on the site.
Some Facebook users mock the sudden appearance of the button under every post on the site.
Facebook's chief reflects on an "intense year" before revealing plans to match-make users.
BBC reporter Alex Taylor on the difficulties of commuting to work as a disabled person.