 The six C ’ s are a simple list of factors , not necessarily a useful framework for understanding , or profiting from , the clean technology industry . 
 The six C ’ s <a href='drop_aux' title='1'><mark>are</mark></a>a simple list of factors , not necessarily a useful framework for understanding , or profiting from , the clean technology industry . 
The six C ’ s a simple list of factors , not necessarily a useful framework fa understanding , or profiting from , the clean technology industry .