The authority said this had "put an end to fly-tipping" in those areas.

BBC: Oxford

On legalization beyond medical use, we may be some years away, or we may find that we suddenly reach a tipping point, much like the end of alcohol prohibition in the last century.

FORBES: My War On Drug Laws

In the end anything that creates market inefficiency, whether tipping off favored clients or wild parties that throw business to inefficient brokers, comes out of the pockets of people who provide capital to Wall Street, like pensioners and taxpayers.

FORBES: Magazine Article

But Mr Flood says he thinks the tipping point will happen "at the back end of this year".

BBC: Do we need watches to tell us more than the time?

At this rate, the tipping point for in-flight wi-fi will come at the end of 2011.

FORBES: Text Messaging Could Come To Planes And Other In-Flight Wi-Fi News

The Elysian hotel in Chicago, which opened in December, has adopted a no-tipping policy, a move that breaks with standard practices across the high-end- and luxury-hotel market, says the head of a trade association.

WSJ: Chicago Hotel Adopts a No-Tipping Policy

But David Lum, a property analyst at Daiwa, said the new rules might "finally set a prolonged chill in the market, " tipping home prices to drop by 20%-23% from now to the end of 2014.

WSJ: DBS Says Singapore Property Curbs to Hurt Growth