In my opinion, yes, it's worth checking out. The fact that it's available for free makes it a low-risk, high-reward resource. Even if you're a seasoned marketer, you may still find some useful nuggets of information to refresh your skills.
In my opinion, yes, it's worth checking out. The fact that it's available for free makes it a low-risk, high-reward resource. Even if you're a seasoned marketer, you may still find some useful nuggets of information to refresh your skills.