Assertion: piano's size | /r/HasSubevent | their widespread use
Facets:
value: in musical greeting cards
type: LOCATION
value: in computers
type: LOCATION
value: in mobile phone ringtones
type: LOCATION
value: in webpage authoring
type: OTHER
Source sentences:
text: The compact size of these files led to their widespread use in computers, mobile phone ringtones, webpage authoring and musical greeting cards.