One factor that has contributed to this transformation is the expansion of the menu that includes more breakfast and light lunch items.

FORBES: A Big Winner in a Down Day

In other words, the free lunch is really a just a light snack that can barely be promoted as a lunch without a class action lawsuit.

FORBES: Financial Planning for Free: What's the Catch?

While the royal party have lunch at Castle College in Stornoway, we pile into a nine-seater light aircraft and set off with a carrier bag of ham and chicken sandwiches.

BBC: Jubilee tour diary: Western Isles