Once people start getting into Internet Marketing (IM), they discover the merits of putting Adsense units on their pages. After all, if they can earn some money just by giving up a small amount of space on their pages, why not?
A recurring, passive income. Add the code once and leave it.
What these people often fail to consider is that Adsense is not the only scheme out there. Yahoo! can supply similar context-sensitive ads in some areas.
There's also Amazon. See the left-hand column for an example of a context-sensitive Amazon ad.
Personally I have made more money from my Amazon Associates links than from Google Adsense.
I have Amazon.com and Amazon.co.uk Associate IDs, so I can target a wider market.
