You could see during his innings that between balls he was really working on keeping his concentration.

BBC: A sense of perspective required

And the concentration of so many firms working in the same industry is thought to spark creative ferment.

ECONOMIST: Italy's business clusters

We have 150-160 people working in that area, which is probably the largest private concentration in that area outside IBM and Google.

FORBES: Human with Machine Trumps Human vs Machine

The main complaint is that Mayer is fighting an inexorable shift to telecommuting and remote working that is giving millions better work-life balance, increased productivity and concentration, and less commute time and stress.

FORBES: Move up http://i.forbesimg.com t Move down

But Richard Glatzer and Wash Westmoreland have kept it smart and irony-free -- there isn't a trace of condescension in their evocation of working people trying to hold it together, if not get ahead, or in their concentration on familiar, even timeless themes.

WSJ: Film Review

And the new page is a page of two sovereign countries working together for the mutual interests -- peace and security and in all other areas of concentration.

WHITEHOUSE: President Obama��s Bilateral Meeting with President Karzai of Afghanistan | The White House

Since most jobs involve an ad-hoc mix of tasks some of which require total concentration and no interruptions it's far better to give people the option of working in a communal environment OR working somewhere quiet.

BBC: The pleasures and perils of the open-plan office