Riding on the letter are a few extra questions about inadvertent mobile web charges for customers that aren't signed up for a data plan, totaling nine paragraph-long queries that the feds want answered by December 17.
Google hacking was first popularized by Johnny Long, a penetration tester who created a Google Hacking Database that allowed anyone to add interesting security search queries that might turn up vulnerabilities to exploits like SQL Injection or Cross-Site Scripting.