[QUOTE=According to Pliny]
I’m surprised they didn’t just go metric. That worked when 2 quart bottles of soda went to 2 liter. Which amounted to a hidden 8% shrinkage.
[/QUOTE]
Actually, a liter is bigger than a quart - it’s 33 ounces and change.
I live west (just barely) of the Rockies, and I can buy either Hellman’s or Best Foods Mayonnaise. Stocked on the same shelf, even!