[Photo group] Invisible power: The triangle on the Google Logo graffiti

In the development work, many developers deliberately leave easter eggs in the program to wait for users to discover, and Google has always been full of creativity in this area is also quite good. For example, Google Picasa's teddy bear (Ctrl+Shift+Y), Google Docs' Big Eye clip assistant (which makes fun of Microsoft Office), Google Reader's Ninja and 30 unread articles (see Contra cheat cheats).