The Standard Media Index (SMI) data for November is indicating that advertising spend for 2011 will remain flat year on year. This in itself is a good result for the overall media industry when you consider 2010 represented an immediate bounce back from the GFC and the highest investment levels on record. The monthly year on year decline of 7% for November will, however, leave sales directors (especially the Metro Television ones who saw a 13% decline) keeping a watchful eye on how…