In addition to Google's APIs for search, maps, feeds and translations, you can now access AJAX libraries that add useful features like drag-and-drop, controls, animations or easier DOM manipulation. You can use Google as a fast proxy, but Google also caches the files related to iGoogle gadgets, the feeds that are served by Google Reader, and we should expect to see more content that can be accessed from Google faster and more reliably. In the future, Google could provide even more tools for a site: stats, monetization, search are useful, but what about using an unified Google API that lets you find facts, get spelling corrections, add ratings and forms, store data, add social features and code applications that run on Google's platform?
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