[dymk]

Given it's an inferior product, weird how nobody's come and made something better and eaten Google's lunch, isn't it?

[trasz]

Network effect; can’t really compete until the current monopoly is solved. Also it’s disputable whether a business model based on invading peoples privacy should be legal.

[dymk]

What does Google have a monopoly over?

(Hint: nothing)

[trasz]

Every market it's still in, from search to mail. Google can't compete on markets it doesn't already have monopoly; see... well, see the vast majority of its products.