[Steve] Jobs had to run through the demonstration without giving any hint of the rickety state of the software. With the auditorium full, the lights were dimmed, and at 9:39, while in the wings his crew had gathered and chanted a good-luck mantra, “Please don't f�ck up, please don't f�ck up,”,…
Steve Jobs & the Next Big Thing (1993) by Randall E Stross. A book on
Steve Jobs's
NeXT Computer Inc.
rickety = inclined to shake as from weakness or defect.