1) No. Because it’s actually the written evidence that counts in court, not electronic records.

2) No, because that wipes out my favourite sort of shag too young.

3) Tempting, but it would put an awful lot of school teachers out of work, while ensuring that bingo halls would never empty.

I’d say this list was ageist, so here’s a few of mine.

4) Cause all road vehicles to become airworthy, complete with auto-pilot. No more traffic jams.

5) Cause all domestic homes to have their own electricity and gas generators to spontaneously appear. No more energy bills.

6) Neutron bombs explode in every capital. No more government, without any fallout.