It looks like Google Now won’t be limited to Android, iOS and Chrome, it will also be added to Google’s homepage. Some code from a page that’s tested by Google offers more information about this feature.
“Get started with Google Now. Just the right information at just the right time.” That’s how Google introduces the new feature. “Google Now uses your Home location to show relevant information like weather, traffic conditions, and nearby places,” explains Google. You can edit the home location, work location and the current location. Another feature lets you track your favorite stocks.
It’s not clear how Google Now for desktop will look, but this screenshot reveals a possible implementation (it’s from a Chrome extension developed by Google):
Here’s the Google Search app interface for Android tablets (Nexus 10 gallery):
As I mentioned here, Google Now could replace some of iGoogle’s functionality. Here’s an early version of iGoogle from 2006:
{ Thanks, Florian. }