For example, spreading the same number of journeys over a greater period of time through trading across may well bring the benefits of easing congestion at peak times, but roadside residents will not be grateful when traffic noise and vibration startearlier in the morning and continue through the night.
The Northern Ireland secretary has said it is depressing that some young people involved in disorder earlier this year, were not born at start of the peace process in the 1990s.
When we see that actually recent summers are on average hotter than earlier summers then we might start to think about trends, not just the variance that comes from more data.
Berlusconi insisted he's not speeding up the pullout because of terror threats, that he was merely reiterating an earlier pledge to start bringing troops home.
Earlier today I spoke with Richard Stephenson, founder of Yudu, a not-so-new start-up from the UK that has an interesting point of view on the future of illustrated digital titles.