You know the demographics in your neighborhood are changing or have already changed when new & strange food shows up in the grocery store.
Someone needs to request the new foods. A buyer needs to be able to locate them from the central depot. They have to be priced and or advertised. No sales . . . no profit . . . just loss.
So, this mornings mad dash to the grocer turned up these fine specimens. Dragon fruit, Hands of Buddha, and Lychees. Now all we need to do is find a good recipe to go with them.