The US video rental firm Netflix loses subscribers in the third quarter of 2011, as it reels from a customer backlash over price increases.

Connected, a documentary by Webby Awards founder Tiffany Shlain, explores the global effects of technology and communication.

Google, Microsoft and China's Alibaba have all expressed interest in buying the technology giant Yahoo, which has been the focus of intense speculation since the sacking of chief executive Carol Bartz last month.

Battling machines are still a long way off, say experts

The NHS needs to "urgently" develop the tools and expertise need to take advantage of a revolution in genetic testing, a report says.

Marc Cieslak looks at new military technology that could allow tanks to become invisible to radars at first, then to the naked eye in a few years' time

Journalist Rowenna Davis tells how she fell victim to email hacking when her account was hijacked by a criminal in a bid to get money from her friends and relatives.

The artificial intelligence community is mourning John McCarthy, a pioneer in the field, who coined the term AI.