First adopted into state law in 2010, the evaluation system was hailed as a breakthrough for advocates who argue that teachers should be judged by how much their students learn in the classroom.
"Once we survive that, it's just a steady threat of radiation, meteorite impacts, and vehicle system failure like fire or ammonia breakthrough, " he posted.
Later he also said that developing software for the Apple Macintosh computer led Microsoft into graphics-intensive software, setting the stage for Microsoft applications and its breakthrough Windows 95 operating system.