Idea A Day is a web-based Ideas bank

Ideas bank

An ideas bank is a website where people post, exchange, discuss, and polish new ideas. Some ideas banks are used for the purpose of developing new inventions or technologies. Many corporations have installed internal ideas banks to gather the input from their employees and improve their ideation...

 founded in London in August 2000 by music executive David Owen, advertising creatives Chas Bayfield and Becky Clarke, and teacher Rupert Kaye in partnership with the web development company Fortune Cookie. The web site published one original idea every day and has continued to do so ever since.

In 2003, a book of the best 500 ideas was published by John Wiley & Sons

John Wiley & Sons

John Wiley & Sons, Inc., also referred to as Wiley, is a global publishing company that specializes in academic publishing and markets its products to professionals and consumers, students and instructors in higher education, and researchers and practitioners in scientific, technical, medical, and...

 as The Big Idea Book.

Many of the ideas published on Idea A Day have been implemented. The best known example is that of Flipside TV

Flipside TV

Flipside TV was a television programme broadcast by Channel 4, Nation 277 and Paramount in the UK. It was presented mainly by Richard Bacon and guest hosts, including Justin Lee Collins and Iain Lee...

, a live TV review show in which a host and three guests watched television live as it happened and recommended to viewers what they could or should be watching on the other side. The TV show ran in the UK on Channel 4

Channel 4

Channel 4 is a British public-service television broadcaster which began working on 2 November 1982. Although largely commercially self-funded, it is ultimately publicly owned; originally a subsidiary of the Independent Broadcasting Authority , the station is now owned and operated by the Channel...

 and Paramount Comedy

Paramount Comedy

Paramount Comedy is a 24-hour Spanish cable television and satellite television comedy channel available in Spain. It is owned by MTV Networks Europe and Viacom. In other parts of the world, such as the United States, United Kingdom, Ireland and Italy, the channel is known as Comedy Central...

.

In August 2011, the site's editor Chas Bayfield posted an urgent request for help. The site had benefited from free hosting since its inception but when the hosting company closed down its operation the Idea A Day site was in danger of being permanently lost. After an appeal was launched on its website, a new hosting partner was found and the site continues to benefit from free hosting.

The site was edited by David Owen from its inception until 2003. Editorial duties are currently being undertaken by Chas Bayfield. Idea a Day launched on Twitter on 11 July 2009 and joined Facebook on 8 July 2010.