Once confined to rowdy bachelorette parties, male stripping is moving closer to the mainstream.
Once confined to storefront operations, payday lenders are increasingly operating online.
Once confined to pocket squares and silk ties, it has migrated on to coats, knits and shirts.
Once confined to the pre-Civil War South, the Cotton Belt was pushed west after the war.
Once confined to a fat cat's finger, today's pinkie rings are dainty, pretty and made for a lady.
Once confined to expensive products, these service contracts now seem available on almost anything that runs on power.
Once confined to a small part of Europe, the making (and exporting) of great wine is now done across the globe.
Once confined to the West Coast, lowriding, like "slamming" -- the high-performance modification of small cars, usually Japanese imports -- has spread east.
Once confined to studying dusty herbarium specimens, botanists interested in plant species and their relationships were discovering the modern techniques available for studying chromosomes and genetics.
Once confined to the loony fringes of, say, Bavaria's CSU, the conservative sister party to Mrs Merkel's Christian Democrats, it has leapt beyond the CSU's beer tents to a young ultraconservative party, Alternative for Germany (AfD).
Once confined to affluent Beijing and Shanghai, it is an expanding market.
