Every year, Google teases the biggest event in Android with a puzzle — when (or if) the community solves it, the date for that year's Google I/O conference will be revealed, giving us a precise time to expect the developer-summit-turned-media-extravaganza in Mountain View. Like speculation around Android's next desert codename or its hidden Easter egg and mascot, it's a fun tradition with low stakes that we can't help but take way too seriously.
