Mark Zuckerberg at Web 2.0 Expo Evan Williams at TechCrunch50 Kara Swisher has written a tremendous post on Facebook’s quiet attempt at acquiring Twitter. It inspired me to share my thoughts on the subject. During the Web 2.0 Summit, John Batelle interviewed Facebook Founder Mark Zuckerberg, and if you listened closely enough, it was clear that Batelle was prodding Zuckerberg to validate the rumors that Facebook was exploring the possibility of acquiring Twitter. With a teasing smile, Zuckerberg described Twitter…