We believe the powerful and easy-to-use BlackBerry Curve 8910 will help convince many more people in China to give up their traditional cell phone and upgrade to a BlackBerry smartphone.

ENGADGET: Research In Motion enters Chinese retail channel with BlackBerry 8910 Curve

Meanwhile, Morningstar doesn't use a bell curve for its qualitative analyst ratings, which it launched more than a year ago.

WSJ: How Are Mutual Funds and ETFs Rated?

Like some of Microsoft's older keyboards, it makes use of the company's ergonomically friendly Comfort Curve layout.

ENGADGET: Microsoft intros Sculpt Comfort Keyboard, left end of the space bar can be used as a backspace key

One of my fondest recollections from my BlackBerry Curve days was the phone's intricate use of shortcuts.

ENGADGET: Back to BlackBerry: a power user's perspective Mobile

It means the 1939 kick seen in the nitrate "curve" above also incorporates some the delayed response from the land-use change brought about by the introduction of arable subsidies in 1917.

BBC: Thames archive reveals long nitrate rise

In order to shorten the learning curve, Facebook is working on a way to better educate users how to use Home through a series of blue instructional text bubbles (affectionately called Blues Clues) that explain Home's features when you first try to access them.

ENGADGET: Facebook Home's immediate future: buddy lists, an app dock, folders and more

The use of the Fed to peg nominal interest rates at artificially low levels, fine tune the yield curve, incentivize risk taking, monetize government debt, and inflate selected asset prices by allocating credit are deviations from sound money and free markets.

FORBES: The Fed's Incredible Rate Forecasting Hubris

The use of pictures certainly seems the most intuitive method for navigating around videos -- there's a definite learning curve here, and it's hard enough to select pictures -- we couldn't really imagine toggling through small text.

ENGADGET: Haier's Eye-Control TV set, we go eyeballs on (video) HD