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Storage is the main building block, a primitive for storing multiplayer state. It comes with conflict-free data types such as `LiveObject`, which is similar to a JS object that multiple users can edit simultaneously For example, here's how a slideshow app might be constructed.

In React, you can read and edit Storage values with two hooks. 1. `useStorage`: Return a plain JSON representation of your data. 2. `useMutation`: Edit your data with live structures. Combining these allows you to, for example, render your slides, and add a "New slide" button.

Another feature is presence. Connected users can show their activity, like with cursors, selections around elements, or an avatar in a stack.