Update UnchangedLayer2.md

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Mike Thompson 2018-02-17 22:27:13 +11:00 committed by GitHub
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@ -10,7 +10,7 @@ between `layer 2` and `layer 3` subscriptions:
trivial in nature, which is to say there should be no computation in them beyond trivial in nature, which is to say there should be no computation in them beyond
what is necessary to extract a value from `app-db` what is necessary to extract a value from `app-db`
- **`layer 3` subscriptions never take values from `app-db`**. Instead, they have - **`layer 3` subscriptions never take values from `app-db`**. Instead, they have
`layer 2` nodes as inputs, and they do the more serious CPU work of computing `layer 2` nodes as inputs (or other `layer 3`), and they do the more serious CPU work of computing
a materialised view of those values. a materialised view of those values.