Mark Schaefer (@markwschaefer) 's Twitter Profile
Mark Schaefer

@markwschaefer

TED keynote speaker, marketing strategist, university educator, author of 10 books including "KNOWN" "Marketing Rebellion" and "Belonging to the Brand."

ID: 17641457

linkhttp://www.businessesGROW.com calendar_today26-11-2008 03:51:06

92,92K Tweet

160,160K Followers

25,25K Following