Working-class whites do not, however, warm to those who seem to encroach on their privileges.

ECONOMIST: Poor whites

Under Sagan's leadership Akamai's invisible network has continued to encroach on more of the traditional, overtrafficked Internet.

FORBES: Magazine Article

Cheap, fast Wi-Fi networks are starting to encroach on pricey, slow cellular nets.

FORBES: Magazine Article

Fiercely protective local politicians in Christian-dominated parts of Mindanao are already twitching, lest any attempt be made to encroach on what they regard as their territory.

ECONOMIST: The Philippines�� southern insurgency

Mr Prescott's bruising experience has taught him a hard lesson: that pre-election de-centralisation rhetoric does not impress battle-hardened Whitehall mandarins, who instinctively resist any attempt to encroach on their territory.

ECONOMIST: Regional development: Whitehall rules | The

If Obama really threatens to encroach on traditional Republican states, McCain would have to protect them, forcing him to stretch a campaign budget and staff that are dramatically smaller than Obama's.

CNN: Obama bets big with 50-State Strategy

For sure, the boundaries are being blurred, as both codes seek to encroach on each other's territory. (Last year, for instance, the Sydney Swans won last year's AFL grand final, while the Melbourne Storm took the honours in rugby league, which would have been unthinkable twenty years ago).

BBC: Australia: What the rest of the world gets wrong