Quantcast uses pixel data if you are quantified. Compete and comScore offer competing products as well.
It depends on the kind of popularity. There's good popularity and bad popularity.
lexiboo98
Google, Facebook, twitter, about.com. Many website have good alexa traffic rank.
The effect of the Bay of Pigs situation on Kennedy's popularity was very good; his popularity rose.
Like a good neighbor, State Farm is there!
Aidan, Varjak, Julian, Eddie, Henry
Some good websites besides club penguin are franktownrocks and moshimonsters.
probably by how good they are
Good advertising !
Fahrenheit is a unit of measurement of temperature. It is neither good nor bad in itself, but as a unit of measurement, may not be the most appropriate unit of measurement based on context.
no
That is entirely dependent on what you're measuring. Kilometers is a good measurement for long distances. However, shorter distances are better measured using meters, centimeters, or even smaller depending on the exact size of the distance. Plus, of course, kilometers are an absolutely worthless measurement for anything besides distance such as volume, work, or electric charge, and measurements that actually apply to those properties are obviously better.