“Yes, Firefox reached a major milestone this week, surpassing
400 million downloads worldwide. But that’s just the good news.
There’s another story swirling around the famously open source web
browser–and it’s a little less sunny.“Last week, The New York Times questioned whether the growing
popularity of a Firefox extension called AdBlock Plus poses a
threat to the ad-driven business models of entertainment, media,
and search sites across the web. If enough people install the
extension and other ad-killing browser gizmos, The Times asked,
could they chip away at the bottom line of companies like CNN,
Microsoft, and Google…?”