Now, the ironic thing here is, why does MS themselves use terms like "RIP" in media player?
To sound all hip and cool and try to keep people from picking non-microsoft approved alternatives. Damage control more than anything else.
Take the zune -- It even squirts! Beat that, Apple!
Since when did it become mainstream to say "percent" as "per cent"??
According to Wikipedia: In British English, percent is usually written as two words (per cent, although percentage and percentile are written as one word). In American English, percent is the most common variant
So: forever ago. Which can be demonstrated by the fact that there are 49 million hits for "per cent" on Google.