I haven't had to hang wallpaper for a fair old time, and since then haven't really even looked at the stuff until very recently, when I was buying some textured white. For this particular job I wasn't expecting to use it myself, but I was struck by the absence of the sort of ready-pasted, soak-in-a-trough papers that used to be so widespread. Compared to the faff of working with pasting tables, paste, brushes, long folded-over sheets and the like, they were a doddle - was there a specific reason why they fell out of favour?
Bert