142 Keith Keller – Twitter Marketing Specialist
Keith Keller, Twitter branding specialist, is in the top 1% of Twitter specialists globally. In fact, thanks to Twitter, for one of his events, he reached over 4.2 million people in one day! Keith tells us that there are now 9,000 tweets per second. That’s over 1 billion tweets per day! His regular tweets (@KeithKeller) […]