His Alter Ego photographs have been exhibited internationally and were published as a book in 2007 .
In 2002 Cooper embarked on Alter Ego , a long - term project that explored virtual online worlds and the identities people create within them .
Cooper project   Ego photographs have been exhibited internationally and were published as a book in 2007 .
In 2002 Cooper embarked on Alter Ego , a long - term project that explored virtual online worlds and the identities people create within them .