“Book” is the new “Cool”

Cynthia writes “Chicago Tribune columnist Eric Zorn reports that “book” is the fashionable new synonym for old, reliable “cool.” When those who send cell-phone text messages using predictive text, also called T9, key in the numbers that correspond with C-O-O-L on their numerical keypad (2-6-6-5), the first word the program suggests is B-O-O-K (which also corresponds with the numbers 2-6-6-5).
Full entry here:
http://blogs.chicagotribune.com/news_columnists_ez orn/2007/01/slang_earlywarn.html