@danielmcclure on Twitter: "One of the first marketing books I read has been updated for the internet. Get it on an MP3 player free of charge: http://link4.biz/12months"

Last Updated: November 12, 2009

One of the first marketing books I read has been updated for the internet. Get it on an MP3 player free of charge: http://link4.biz/12months

https://twitter.com/danielmcclure/status/5646166036