So who tipped off the EU? No one knows, and no one's talking.
All three browser rivals, however, had motive. Opera was the one that first complained about IE's ties to Windows, Mozilla has been the most vocal in opposing Microsoft's browser moves, and Google has been locked in a multi-front fight with Microsoft over everything from mobile patent licensing and enterprise applications to search and online email.
There may never come a Clue moment, when someone could claim it was "Colonel Mustard in the library with the knife."
Lande, however, had his suspicions. "It seems to me absolutely impossible that Google wouldn't have noticed," he said in a earlier interview. "Google hates Microsoft with a passion, and they're one of the most sophisticated companies on the planet. And they have lawyers in Brussels."
Sign up for CIO Asia eNewsletters.