Most free apps have both casual users and power users, and the power users are by far the most valuable.

FORBES: Google Play User Reviews Have Low Marks For Facebook Home

Despite his questionable pedigree and punching power Afolabi punished Maccarinelli's casual defence in the ninth in the most emphatic style, when a huge overhand right came from nowhere to floor the Welshman.

BBC: Warren's warning to Maccarinelli

Whereas Apple and Android are more for quality-of-life and casual users, the hardcore power users will migrate towards Microsoft just as they have with the Office and other business products.

FORBES: Fear Not Windows 8, But Embrace It

In compiling the rich list, FORBES scarcely has subpoena power, but neither do we rely on casual guesses from bystanders.

FORBES: How Much Is He Worth?

He adds that though many consider the Nintendo DS handheld line mainly for casual games, the upcoming 3DS will have the power and potential to support core games.

FORBES: Konami: Kinect And Move Need Games For Core Gamers

Like all dystopias, the power of this play is that it shows how mundane and casual a descent into the abyss might look, and with what familiar bureaucratic language.

BBC: Alcopops, racism and financial dystopia

First up for the camcorders is the HC-V210 with 72x zoom, power OIS and full HD, all in a small, discreet form -- ideal for light casual use.

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