Orders of magnitude is an exponential measure.

1*10^n

Yes, but where is the growth? They just said that the age of iceberg is 1000 years or maybe older 100.000.

There is no exponential growth there, just someone not having any clue about the iceberg wanting to sound knowledgeable about the subject.

so then every change can be called exponential

> This chair is 4 years old. Or, maybe 5 years old.

Yeah, exponential growth!!!