Dear Marissa: It was great to see the New York Times headline this weekend touting Yahoo’s purchase of Tumblr and other start ups.  The deal presents a great opportunity to tap into Tumblr’s 117 million (mostly young) users and better connect Yahoo with the future of the internet rather than the past.  Of course, another big Related Posts:Reduce Flight Risk: Help Acquired Employees Settle in and…Knowledge Transfer in Your Workplace – 12 Transitions…Knowledge Transfer Strategy Template and Summary http://stevetrautman.com/open-letter-to-yahoos-marissa-mayer-re-risk-of-losing-all-the-tumblr-talent-she-just-bought/?utm_source=rss&utm_medium=rss&utm_campaign=open-letter-to-yahoos-marissa-mayer-re-risk-of-losing-all-the-tumblr-talent-she-just-bought