In comments of original article there is a notion than e.g. Google helps in development of open source projects (Webkit) just because it is cheaper for them (ot

In comments of original article there is a notion than e.g. Google helps in development of open source projects (Webkit) just because it is cheaper for them (others develop it too). There is another perspective to the issue: Webkit is infrastructure to them - it is an wonderful example of why and where Open makes sense - by developing and fixing Webkit they assure better standards adoption - thus saving money in their "primary" market (search, gmail,...).