We live in a crazily youth-orientated world nowadays. It's a trickle-down thing. We see pictures of lithe, attractive celebrity couples such as Brad and Angelina or the Beckhams cavorting around, covered in tattoos, stomachs as flat as the singing in early 'X Factor' rounds.

I remembered being young in the late '70s and early '80s and growing up at the height of the Cold War. I remembered how scared I was of nuclear weapons, how often I though about them and about the possibility of everything and everyone I knew vanishing in a second in temperatures hotter than the centre of the sun.

There were some summers when every boy in Ayrshire seemed to be playing golf, and my dad taught me. But he was a terrible teacher - of everything. Learning to drive with him almost killed me. He was the world's most impatient man - awful short fuse.

I love England. I live and work here. My children have grown up here. I see no conflict between this and praying that my countrymen in Scotland never have to live another day under Conservative rule from London.

Consider the social proof of a line of people standing behind a velvet rope, waiting to get into a club. The line makes most people walking by want to find out what's worth the wait. The digital equivalent of the velvet rope helped build viral growth for initially invite-only launches like Gmail, Gilt Groupe, Spotify, and Turntable.fm.

When DVD disappeared but before digital distribution came on strong, there were a few years where a movie that didn't get theatrical would just be gone.

Shaming is powerful and useful. I'm living in New York, and my instinct is that, after the Black Lives Matter protests, which were organized on social media, the chance of there being another Eric Garner, choked to death in New York by an NYPD officer, has diminished.

I know everyone has a different taste as far as personal technology - like, smartphones are maybe the most personal decision you can make - so I don't know if I can recommend one thing for everyone. But, I do like the idea of everyone moving, eventually, to an electric car.