Anecdotes are used by who?

It can be incorporated in a variety of ways.

A model aeroplane is used for presentations and testing. Model planes are also used for fun. They are used model-plane clubs, aeroplane company headquarters and studios. (Bedroom, in my house)

They were used in the first world war in submarines. The are used now also for submarines and also war tanks. The outer coating of the periscope for the submarines were firm and waterproof for...

That people wont work.

There still used for skating or you can give them to a friend for spare parts.