Reference

What the words and the numbers actually mean

Reference pages rather than news. Written once, corrected when they are wrong, and linked to from the posts that use them.

These pages carry no publication date, only the date we last checked them. A definition does not get stale the way a price does, and stamping one with a date it was written only makes it look older than it is.

How we work

Arrows, connections and popups: three numbers, all true

Seventeen delivered tours hold 1,614 overlays, 1,441 navigation arrows and 696 distinct connections — three numbers counting three different things. 8 min read

How we work

What a 360° tour cannot show you — and when you need a floor plan or a model instead

A tour shows a place from a set of fixed positions. It carries no dimension, no sound, no air, one hour of one day’s light, and nothing at all between two stations. 9 min read