Assertion: worm | /r/HasProperty | designed as proofs of concept
Facets:
value: sometimes
type: TEMPORAL
value: in the early days of computing
type: TEMPORAL
Source sentences:
text: A worm may not do any damage at all: in the early days of computing, worms were sometimes designed as larks or proofs of concept to exploit security holes, and did nothing more to infected computers than reproduce themselves in the background.