Err... I don't see either of these are relevant to the Chrome situation, given that the competitors are (and have been) also free. These aren't applicable for markets of free goods and services.

> that the competitors are (and have been) also free

IE was free when Netscape Navigator was a paid product.

Chrome was free when Opera was a paid product.

> Chrome was free when Opera was a paid product.

Chrome didn't exist when Opera was a paid product.

Opera wasn't always free.

It became free (without ads) three years before Chrome was first released.