The government auctioned contracts to upgrade four airports, but on terms so harsh that improvements may be slow.

ECONOMIST: The president needs to do more to tackle the ��Brazil cost��

Whether that's a lot or a little depends entirely on your frame of reference -- after all, four million copies of the OS upgrade were sold in the first four days.

ENGADGET: Start button utility strips even more '8' from Windows 8, has sold 'tens of thousands' of copies

Its consultants still travel three or four days a week, and can upgrade to business class for flights longer than four hours.

WSJ: More Companies Treat Business Travel Like Budget Travel

In 2000, Standard and Poor's Fixed Income Research made only one credit upgrade for every four credit downgrades.

FORBES: Magazine Article

Now the PC upgrade cycle has lengthened to four to five years.

FORBES: Dish-Softbank Pursuit Of Sprint Has Positive Implications For Apple

Of the first nine races that I ran this year, in four of them Fernando had a significant car upgrade that I did not have.

CNN: 'Sacked' Piquet blasts Renault boss Briatore

Beginning today, new qualified customers can get a free upgrade to Genie, as well as connect up to four rooms.

ENGADGET: DirecTV Genie DVR and interface launch with advice for the indecisive

So far it's four friends from The iLife blog keeping each other company, with plans to upgrade one of the crew's original iPhones (for that attractive full subsidy price).

ENGADGET: iPhone 3GS line begins in NY, weather be damned

Over four billion people have a cell phone with SMS capability and many of them will upgrade to an Internet-enabled smartphone in coming years.

FORBES: Language Learning Helps Businesses Compete Globally