The world has gone from zero to 60 billion mobile apps downloaded in just four years.
In just four years, Harrison, now 34, has made remarkable strides with his charity.
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Zynga has certainly been a rocket-ship of success, achieving what it has in just four years.
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In other words, the war brought with it a GDP increase of close to 75% in just four years!
Never, in recent times, has an economy of a Western country shrunk so fast - 16% in just four years.
In just four years since becoming chief executive, this 58-year-old prince of picayune has spruced up a very mediocre chain.
He took this team from worst to first in just four years.
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In just four years, since the opening of the Apple App Store in the summer of 2008, the number of available mobile apps has grown from essentially zero to 1.425 million.
In just four years she had bridged the cultural divide between Africa and Europe and began studying political science with the creme de la creme of Dutch society at the University of Leiden.
Mr Barber said the government had "set the cruel and mistaken objective of getting rid of the deficit in just four years" - and he called for a "movement for the alternative" based on fair tax and growth.
An amazing million or so new voters have migrated to the state in just four years since the last election, bringing with them the political attitudes of the two areas from which they mostly come, the liberal north-east and the mid-west, home of the Reagan Democrats.
But in just four short years, the slow trickle of backpackers has turned into a steady stream of adventure travellers eager to experience the spectacular trail for themselves.
The Liberals, the main opposition, were so stumped for something to quibble with in the budget that they decided not to vote it down, which at least spares Canadians a third general election in just over four years.
In just the past four years, Tenet has spent hundreds of millions of dollars to settle lawsuits while denying any wrongdoing.
Nick Bonino also scored a power-play goal, and Francois Beauchemin added an empty-netter as the second-seeded Ducks hung on in the final minutes of the opener in just their second playoff series in four years.
"The Democrats' lead among Hispanic voters has grown just in the last four years, " said Mark Hugo Lopez, associate director of the Pew Hispanic Center.
Switzerland failed to win a match at the 1996 tournament in England and then in Portugal four years ago, gaining just one draw in each.
Seen here in his mid-thirties, just four years removed from the acrimonious breakup of the most successful double act in the history of show business, Lewis is comedically fearless, so much a force of nature that he literally has Paar climbing the walls.
He went 9-8 with a 5.00 ERA in just 26 starts over the four years.
The Irish dropped just 20 games in her four years, including a 35-2 mark her senior year.
She said she had virtually no contact with her mother - just four visits in five years.
The university was the subject of a study in 2004 by computer chip maker Intel which showed how the use of notebook computers had increased from 1.2% of students in 1999 to 35% just four years later.
The three wins have come in four years but just go back a bit longer to to 2006 and was there anyone predicting that Spain was about to become one of the greatest soccer teams the world had ever seen?
Raul made his debut for Real Madrid in 1994 at just 17 years and four months old.
Mason says Groupon has done a decade of growth in four years, it just celebrated its four year anniversary.
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The exceptional growth in the year just ended, based in part on a favourable monsoon, followed four years of near-drought which has hit rural voters, still the great majority, hard.
This is not just every four years dipping in because it's the Paralympics.
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But this is nothing new as government payrolls have been shrinking in just about every month over the last four years.
Dryers took just four years to take off in Sweden, but 11 years in Britain and 12 years in Portugal.
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