Short and cute domain name with a universal usage.
Consumer business, Application, Game name, Toy name / child's brand.
The name "piif" has only four characters and just two syllables. Two-syllable names are highly rare and exceptionally valuable. Two syllable names are used by established brands like YouTube, Dropbox and Disney.
This domain was first registered in August 2002. Older domains have an advantage when ranking in search engines.