Google paid tribute to the Flintstones on Thursday, devoting the celebrated logo on its home page to Fred, Wilma, Barney and Betty on their 50th anniversary.
The colorful logo at Google.com features the Flintstones characters spelling out the word "Google."
Created by William Hanna and Joseph Barbera, the Flintstones first aired on the ABC television network in 1960.
The Mountain View, California-based Google frequently changes the logo at Google.com to mark anniversaries or significant events or pay tribute to artists, scientists, statesmen and others.
Explore further: Ebola.com domain sold for big payout