Here are the instructions to try it out yourself on the site:

1. Create an account here: https://www.pageblox.io/register.

2. Open a new tab, go to https://www.pageblox.io, then click the 'Try Now' button (must be on desktop).

3. Double-click on the screen to start commenting!

Show HN: Pageblox – React SDK for reviewing UX/UI changes in deployments
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