This is going to be a polemic topic given the wide spread in the usage of such advertising networks. In-Text advertising refers to networks like Vibrant Media or Kontera that place advertising links on your content.
Why I Will Never Use Adsense on a Blog Again
Ten years ago I started a fitness blog, wrote some articles, slapped on an Adsense unit or two and then a year later sold it for $20,000. I was pretty happy with myself. And while it was the right move for me at the time I can’t help but wonder how much I could have sold it for if I had ignored Adsense and done something totally different.