Who or what is it? A puzzle from the category Inventions

Five clues, from vague to obvious. The sooner you get it, the more points you score.

The clues

1. It was developed in Erlangen, Germany.
2. The Fraunhofer Institute worked on it.
3. It makes files much smaller.
4. It made devices like the iPod possible.
5. It is a format for music files.

Guess it yourself

Show the answer

MP3

More puzzles

Footballers: He plays in attack.Footballers: He played in midfield.Games: The series began at Nintendo in 1986.Games: It is a mobile game from 2009.Countries: It is a country and a continent at once.

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