Assertion: dial bulletin board system | /r/HasProperty | bbs
Facets:
Source sentences:
text: The dial-up bulletin board system (BBS).
text: The WELL began as a dial-up bulletin board system (BBS) influenced by EIES, became one of the original dial-up ISPs in the early 1990s when commercial traffic was first allowed, and changed into its current form as the Internet and web technology evolved.