Keep is only compatible with phones and tablets running Android 4.0 Ice Cream Sandwich or newer, and as of now, there are no Keep apps for iOS, Windows Phone or any other mobile operating systems.

CNN: Meet Keep, Google's answer to Evernote

Currently Keep is available only via the web or as an app for phones and tablets running Android 4.0 or above.

BBC: Google's Keep is new entrant in digital memo market

Like the 4 hour battery backup that 93 U.S. nuclear plants have, to keep the pumps running until the diesels are started?

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