Archive for the ‘SEMPO’ Category
Search Engine Marketing Is a Rocket
Thursday, September 11, 2008 15:49 No CommentsListen to this article
WAKEFIELD, MA - February 8, 2007 -North American advertisers spent $9.4 billion on search engine marketing (SEM) in 2006, a 62 percent increase over 2005 spending, according to an annual industry survey conducted by the Search Engine Marketing Professional Organization (SEMPO) www.sempo.org. SEMPO researchers also estimate SEM spending to double by 2011, [...]