article_snippet: Cook is joining the roster of the very rich who are giving away .
article_snippet: You want to be the pebble in the pond that creates the . ripples for change,' Cook told Fortune magazine.
article_snippet: While Cook's largesse could not begin to approach the scale .
article_snippet: Cook, who is not listed on the website, is known as an . intensely private person who shuns the spotlight on .
article_snippet: In recent years, however, Cook (left) has begun speaking out more .
article_snippet: Cook, who recently revealed Cook (left) was gay, spoke out .
article_snippet: transsexual communities during Cook (left) induction into the Alabama .
article_snippet: Cook (left) told Fortune Cook (left) has started donating money to unspecified .
highlights_snippet: Cook has started donating money to unspecified causes quietly and is trying to develop a more 'systematic approach' to philanthropy .
  