David Wood is chair of London Futurists, a meetup dedicated to exploring both the upsides and downsides of scenarios of rapid tech change in the decades ahead. He has spent 25 years envisioning, anticipating, architecting, implementing, and using smart mobile tech. He spent 10 years with PDA pioneer Psion PLC before co-founding Symbian in 1998. He remained on the leadership team of Psion Software and then Symbian from 1996 to 2009. Subsequently he was CTO / tech planning lead for Accenture Mobility. His most recent book was published in September 2014: “Smartphones and beyond: lessons from the remarkable rise and fall of Symbian”. He tweets as @dw2 and offers consultancy through Delta Wisdom, http://deltawisdom.