Google, Microsoft, Yahoo, Apple. The Internet wars are hot. We’ll ask what’s at stake as the battle shifts from desktops to the digital cloud.

First there was Microsoft, and a colossus made from software for the personal computer. Then those PCs got tied together on the web, and there was Yahoo, a giant hub for e-mail and chat rooms and all the web brought.
Then there was Google, the uber search engine and high-minded master of the Internet universe, with [...]

For months, cellphone aficionados — that is, a whole lot of this country — have waited for news of the “Google phone”: the “G-phone.” When it came, what Google rolled out was not, in fact, a gadget at all.
It was a vision of cellphones as the new PC; of the web rich and deep and [...]