Why would Google use a font tag?

Question

So, I couldn\'t help noticing while demonstrating Chrome\'s DOM browser thing to my brother, that Google uses a tag.

I know this is

Answer 1

Space saving issues is certainly one reason google might use the font and center tags. Another reason could be for compatibility.

It's in google's best interest to make their homepage to work in all browsers, including pre-IE6 and mobile browsers. Since the font and center tag are so ancient, they're almost universally supported.