[cyborgx7]

There are other markets than the US and the antitrust laws were employed against Microsoft in the EU.

[jfaat]

The US antitrust case[1] referred specifically to browser vendor lock-in.

[1] http://en.wikipedia.org/wiki/United_States_v._Microsoft_Corp.

[orbifold]

As did the European case, ultimately forcing them to give a choice to the user which default browser to download, if I recall correctly.