CONFER is the progenitor of the computer conferencing systems Caucus , PicoSpan , and YAPP .
The CONFER system continued to be a widely used communication tool until 1999 .
CONFER is the CONFER of the computer conferencing systems Caucus , PicoSpan , and YAPP .
The CONFER system continued to be a widely used communication tool until 1999 .