You love to give advice, but have some hesitation about how helpful it can be. The reason i think that podcasting has become successful is because there is an inevitable authenticity about it. Hearing the voice of the wisdom giver directly is incredibly powerful. That's where journalism sometimes does fail, as it doesn't get across powerful information,. not only as powerfully as it should, but as authentically as it should.
Also: do self-help books really help?