Then he noticed some glitches in his own programs.

"Damn," he said. "Should never have allowed her into my network."

His Documents file seemed to have misfiled many of his documents. He found a paper he'd prepared on Web2.0 in his Letters to the Editor folder, and a treatise on PHP 5.2.0 in a file on magazine subscriptions.

It took him all night to fix all the problems he found.