The relativity of progress

The thin line isn’t a scratch across the picture surface but across the sky…

The choo choo train of progress between endless stations…

But progress – always relative, as other trains have shown…

Wikipedia – Relativity of simultaneity

To the station and the rails and all the other trains…

MIT Technology Review

It sometimes must be reassessed, fine-tuned, sped up, slowed down…

To make it optimal and clear, in context, depending on the markets.