Why prefix C# interface names with an “I”

Question

What is the rationale behind this naming convention?

I don\'t see any benefit. The extra prefix just pollutes the API.

My thinking is inline with Konrad\'s respo

Answer 1

If you consider the two "best-practice-aphorisms"

clarity is king

and

noise is bad

there is a conflict between these. The question is: when does clarity become noise?

For me it more noisy (but equally clear) to write Person person = new PersonImpl() than IPerson person = new Person().