There are many articles on Marissa Mayer who has taken on the remarkable task of trying to make sense of what business Yahoo is in and what its future might be. Whatever the outcome, you have to admire the career she’s had so far. One business writer has recapped her journey to day and shares “5 Lessons from Marisa Mayer’s $500 million career” (from Nicholas Carlson’s Book “Marissa Mayer and the Fight to Save Yahoo.” )