Mixing it up… Interesting marketing decision by the beverage giant, PepsiCo… NY Times piece on Pepsi withdrawing from the Super Bowl for the first time in 23 years and giving the money away for its Pepsi Refresh Project as it continues to explore the potential of social media and cause-related marketing to make a difference in its business. The company says it was a huge success and plans to expand it beyond the United States this year. Certainly noteworthy…