The junior rankings, while not a completely reliable representation of how players will develop, are nonetheless starting to reflect the progress made in recent years.

BBC: British tennis battles against perceptions

Regardless of any innovation, pinball machines will never be completely reliable - in a contraption made from up to 3, 500 parts connected by half a mile of wiring, there's just too much to go wrong.

BBC: Flipping heck: Is pinball about to stage a recovery?

As the executive now controls the Commons almost completely, this safeguard is only reliable if the executive does not also control the Lords.

ECONOMIST: Letters

There is still a need for cash, and it seems implausible that the infrastructure that makes digital transactions possible will be reliable enough to be completely trusted for a long time.

ECONOMIST: Medical advice

In part, that's because the Gaze UI now supports keyboard input, whereas last year it was completely touchpad-based (and we all know touchpads aren't the most reliable things even under normal circumstances).

ENGADGET: Hands-on with Tobii REX, a peripheral that brings eye-tracking to any Windows 8 PC (video)