Skellen wrote the protocol for sandminer robots to make tea. (AUDIO: The Robots of Life)
During the clean up of (PROSE: Project Rooftop) the Sycorax invasion of Earth on Christmas Day 2006, (TV: The Christmas Invasion, PROSE: The Final Darkness, The Christmas Invasion) UNIT's Sgt A. Frederick activated protocol Delta-Exec to temporarily disaable Blackberry devices until UNIT could get their story straight. (PROSE: Project Rooftop)