Web 1.0 consisted of static documents and read-only data on PCs. Web 2.0 introduced user-generated multimedia content, interactive web applications, and social media on multi-touch smartphones. Web 3.0 marks the rise of AR and VR headsets, smart glasses, wearables, and sensors. These will enable the Spatial Web to project our information, ideas, and imaginations into the world around us, weave them into every conversation, displaying them in our cities, in the places we work, learn and live. With intuitively placed information, AI-assisted interaction, cryptographically secure information, and
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