If There's No Way to Get Rid of Cockroaches, Why Not Make Them Useful?

An essay in today's New York Times reflects on the recently proven ability to encode, inject, and store information in an organism's genome. "The feat ... was a demonstration of DNA as the ultimate information storage material, able to withstand floods, terrorism, time and the changing fashions in technology," writes Dennis Overbye. Next up could be storing information in cockroaches or even humans. But what about the changes that occur over time in a genome? As the article points out, there are plenty of technical hurdles with the archiving concept.