When you only have access to one identity space, like a device ID, a single person could appear as a different user every time they interact with your business on a different device. But when you use multiple identity spaces, you can get better insight into your user journeys, with more robust cross-device and cross-platform data and reporting that reflects de-duplicated users.
Reports in Analytics use all available identity spaces, so you can answer questions like:
You can also go deeper to understand the effectiveness of your marketing campaigns across platforms. For example, you can see how many users started on your app, then visited your website to make a purchase. To gain these benefits, use all the identity spaces that are available to you.
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