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# Announcements

## 🎉 [Mermaid Chart](https://www.mermaidchart.com/) is running a Holiday promotion

### Use <span class="text-[#FE3470]">HOLIDAYS2023</span> to get 25% off a Pro subscription

With a Pro subscription, you will get access to:

- AI functionality
- Team collaboration and multi-user editing
- Unlimited diagrams
- and more!

Redeem the promo code on the [Mermaid Chart website](https://www.mermaidchart.com/app/user/billing/checkout?coupon=HOLIDAYS2023).

## 🤓 Read our latest blog post

### [7 best practices (+ examples) for good developer documentation](https://www.mermaidchart.com/blog/posts/7-best-practices-for-good-documentation/)

4 December 2023 · 11 min

Essential strategies for crafting grate developer documentation, with practical examples and insights from leading tech companies.