In the last several months, EatWith has received thousands of applications from hopeful cooks, who range from kitchen dabblers to professionally trained chefs.

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Despite its high-tech facade, Idealab is something of a throwback to an age when entrepreneurs were dabblers and practically everything depended on one man's ability to keep inventing new ideas.

ECONOMIST: Johnny Appleseed.com

Content providers do not like payments for microtransactions either, because they punish avid users, nickel-and-diming them to death, while rewarding dabblers by giving them what they want at low cost.

ECONOMIST: So many ways to pay online

In compiling a list of the billionaire art collectors, it was important to shift the focus onto those men and women who are true aficionados, not mere dabblers or enthusiastic amateurs.

FORBES: Top Billionaire Art Collectors

Twitter has been in the ascendancy through its celebrity dabblers and since high profile involvement in news stories such as the Mumbai terror attacks, where aspects of its use as a journalism tool were later called in to question.

BBC: Tweeters set for Twestival time