In 2006, a New York Times reporter tracked down a 62-year-old widow in Georgia and read some of her own searches back to her. AOL had just leaked 20 million searches with every name swapped out for a number, and hers still led straight to her. Her name was Thelma Arnold. She was user 4417749. All it took was her searches for landscapers in her town, a few people with her last name, and her dog peeing on everything. AOL's CTO resigned less than two weeks after the story ran. So it's a little…