Originally, advertising and marketing was concentrated round the 4P's (solution, cost, spot and promotion) which concentrated on businesses' internal ideas. The concept of built-in marketing communications was first lifted in 1993 by Don E. Schultz, who modified the 4P's principle to the 4C's design. The 4 pieces include client, conversation, https://christopherv506kek3.thelateblog.com/profile