Some numbers behind Microsoft Corp.'s evolution from Windows 95 to this month's consumer release of Windows Vista:
Common retail price for Windows 95: $89.95
For Vista: Depends on user configuration. Upgrading a PC from Windows XP would cost as little as $99 for Vista Home Basic edition, up to $259 for Vista Ultimate. Suggested retail prices for those versions range from $199 to $399.
Number of lines of code in Windows 95: 11.2 million
In Vista: 50 million is a commonly cited figure, but Microsoft refuses to confirm that officially.
Approximate number of Windows 95 programmers: 200
For Vista: More than 2,000, according to one Microsoft developer's blog, but Microsoft also won't confirm that.
By The Associated Press