Granted, these examples are not varied enough to be appealing to everyone, but Facebook could have at least provided a central place where users could have found ways to use Credits.
It's not as if the opportunities aren't varied and plentiful.
Why: If you can memorise all your passwords, you can almost guarantee that they aren't varied enough to be secure.
For convenience, the relative concentrations were not varied.
Other experimental parameters, including dose-rate, were not varied.
Viscosity of the gels did not change if shear was not varied.
As no other control parameter was modified, the experimental length of the light-cone was not varied.
Foods in the meal were not varied; children ate as much of the meal as they wanted.
The characteristic velocity v∗ was found to depend on the oil loading rate, and presumably also depends on the media structure which was not varied here.
A collapsed lung has a random way of reopening as air presses in from a life support system, and tissue damage is more likely if the air pressure is not varied in a random pattern, scientists suggest.
