There is incredible potential for digital technology in and beyond the classroom, but it is vital to rethink how learning is organised if we are to reap the rewards.

Science is, rightly, searching for drugs to arrest ageing or to slow the advance of dementia. But the evidence suggests that many of the most powerful factors determining how you age come from what you do, and what you do with others: whether you work, whether you play music, whether you have regular visitors.

Courses can, and should, incorporate the excitement and fun of programming games, apps or even real digital devices.

I'm not saying [economic] growth is wrong, but throughout the years of growth, many things didn't get better. ... If you look at America, the proportion of Americans with no one to talk to about important things went up from a tenth to a quarter.

On the environment and climate change, I suspect that future generations will think there was too much timidity, too much fear of upsetting business. Basically, New Labour was very nervous about regulating business, or requiring it to do anything, even when there was a very clear social or environmental case for doing so.

Many of the greatest composers and musicians do their best work in extreme confinement but we are seeing it in other fields - uses of technology to link people together in networks to solve problems and almost certainly we'll get better ideas than we would from them just doing it on their own.

Young people who were relaxed about posting every detail of their life on Facebook become a lot less relaxed when they realise just how transparent their life has become to future employers.