9. There are 75 Grapes in One Glass of Vino
Here's the breakdown (via Wine800.com):

75 grapes = 1 cluster
1 grape cluster = 1 glass
4 clusters = 1 bottle (or about 2.8 pounds of grapes)
40 clusters = 10 bottles = 1 vine
30 vines = 1200 clusters = 1 barrel
1 barrel = 60 gallons
60 gallons = 25 cases
400 vines = 1 acre
1 acre = 5 tons
5 tons = 332 cases