1). yes.
2). no.
Does "While videoconferencing technology was initially used primarily within internal corporate communication networks, one of the first community service usages of the technology started in 1992 through a unique partnership with PictureTel and IBM Corporations which at the time were promoting a jointly developed desktop based videoconferencing product known as the PCS/1." correctly answer the question of How many years did it take for Project DIANE to grow?
2).