Renegade Robot by Tom Lichtenberg
Price: Free! 16970 words.
Published on July 31, 2010. .
It's the end of the world as we know it, when the dreaded Singularity finally occurs and happens to be captured, live on tape, by agents of the Frantic News Network, which freaks out, as usual, and causes a lot of trouble for the mild-mannered nanobot exterminator who happens to get caught in the crossfire.