[Sigh] I didn't feel like digging around for the better articles out there that I've read so I grabbed the one linked to in Wikipedia. Serves me right for being lazy.
Monetization techniques are improving (Auctomatic might be the next step?) but even just with AdSense they still bring in a lot of money. Factor in the minimal effort required to milk them for cash and increasing resale values and they become very attractive investments.
Monetization techniques are improving (Auctomatic might be the next step?) but even just with AdSense they still bring in a lot of money. Factor in the minimal effort required to milk them for cash and increasing resale values and they become very attractive investments.