Instagram launched on Microsoft's smartphone OS on Wednesday, but it's missing some key features, including the ability to take and share video.
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Windows Phone users also won't be able to tag people in photos or view the geotaxis of posted images.
Users can upload the images they take with their smartphone camera app but can't take a picture with the Instagram app, as they could with an Apple iOS device or Android device.
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The Instagram app also will be available only on Windows Phone 8.