Earliest known written use of the word "joe" to refer to coffee:

1941
According to Oxford English Dictionary, the earliest written use of the term "joe' to refer to coffee was in a 1941 book called "Hash House Lingo."
Source: Oxford English Dictionary (2d ed.),

 
   
  Number of Starbucks visited by Mark Malkoff on June 29, 2007:

171
On June 29, 2007, Mark Malkoff visited every single Starbucks in Manhattan, buying 50 caffeinated drinks, 27 pieces of biscotti, 24 bottles of water, 12 cookies and 1 Asian sesame pasta dish.
Source: New York Daily News, 7/19/2007

 
   
  Distance between the two closest Starbucks in the U.S. as of 2008:

15-20 feet
At the Pioneer Place Mall in Portland, there is a Starbucks on the first floor, and another directly above it on the third floor, a distance of about 15-20, making them the closest two Starbucks to each other in the nation.
Source: New York Times, 7/11/2008

 
   
 
Consumerist (flickr 2007)
Number of employees Starbucks had as of 2007:

172,000

Source: Wall Street Journal, 7/2/2008