We all know what an enormously useful mass-market medium Twitter can be, but celebrities know it better than anyone.
However, it would appear that some, like David Letterman, have yet to embrace ‘The Twitter’.
What are you doing to master online marketing in 2012?
We all know what an enormously useful mass-market medium Twitter can be, but celebrities know it better than anyone.
However, it would appear that some, like David Letterman, have yet to embrace ‘The Twitter’.