Better work email.
Joined June 2025
- Tweets 204
- Following 1
- Followers 1,308
- Likes 263
43 Photos and videos
Pinned Tweet
Mar 6
After long months of work, we are ecstatic to share our vision for the future of email and work communication.
Try here: demo.define.app
I’d genuinely love to hear what you think, especially if you use email for work!
Note: this is a frontend demo with mock data.
PS - Reposting this because the previous video included sensitive mock data.
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Product experience starts before login.
Our early users aren’t just users..
They’re our first believers.
When you request early access, you get your own virtual 3D card. A shareable proof that you were here before the doors opened.
Get yours here: define.app
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Jun 13
Flexibility is a feature
Give users the choice between Focus Mode and Chaos Mode.
Productivity isn’t one-size-fits-all.
Give users control over how their workspace feels.
Try it: define.app
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Jun 11
Our email composer speaks markdown
• type `#` space → heading
• type `-` space → bullet list
• type `[]` space → to-do with checkbox
• type `>` space → blockquote
• type `---` → divider
• paste markdown → auto-converts to rich blocks
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Jun 10
Email 🤝 block-based editor like Notion
/reply → draft a response
/auto-improve → improve your block
/signature → toggle signature
/send → send instantly
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Jun 9
Email, but better.
• Message bubbles
• Files and people in one place
• Search across conversations, files, and contacts
• A Notion-like editor for email
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Jun 9
Email search should be better.
How many times have you wasted time trying to find a specific file or message in your inbox?
Search at define is multi modal:
* keyword search
* semantic search (MiniLM-L12-v2 embeddings)
* visual search (CLIP ViT-B/32)
* federated search across all content types
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Jun 8
Drag and drop detail: rotate the ghost while dragging.
Moving right → slight clockwise tilt ( 2°)
Moving left → slight counter-clockwise tilt (-2°)
It feels like you're physically holding a card. The rotation gives spatial feedback without being distracting.
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Jun 8
Details matter.
Our sidebar has two animations:
1. Outer: `flexBasis` animates the width (200ms)
2. Inner: `translateX(-120%)` slides the content (150ms, 75% of outer)
This approach makes the UX feel more natural.
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May 26
We are building a new email app.
▫️Tabs keep priorities separated and focused
▫️Smart folders organize work automatically
▫️AI agents take action for you
A new email app is coming!
Try it here: define.app
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May 25
We’ve been bootstrapping for 9 months.
Why is it taking us so long to launch?
In one word: Craft.
We're building:
- a web app
- an iOS app
- a macOS app
And also:
- The best multimodal search in the industry
- Agent infrastructure for on-demand assistance
Be the first to try it: define.app
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define retweeted
Mar 20
Reading emails side by side sounded like a tiny feature...
Turns out it's one of those rare things that feels unnecessary, until you use it.
You move through conversations faster, keep context clear, and reply with far less back-and-forth between tabs.
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define retweeted
Apr 7
Keep things intuitive: Peekaboo sidebar, inspired by Arc browser
When the sidebar is hidden, move your cursor within 40px of the left edge. The sidebar peeks in. Move away, it disappears.
This is using a `mousemove` listener tracking `mouseX`.
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define retweeted
Mar 22
Small UX detail: Peekaboo your emails 👻
Sometimes you only need a quick glance before marking an email as read. Instead of opening the full message, just hover, preview it, and click Mark as read.
Surprisingly useful.
Try it here: demo.define.app
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define retweeted
Apr 10
Stop copying your @motiondotdev spring configs between components.
_define_ them once:
• `springSmooth`: stiffness 300, damping 30
• `springSortable`: stiffness 500, damping 30
• `springSend`: stiffness 280, damping 28
You just need one file. Every animation references it.
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define retweeted
Apr 3
Clicks should never accidentally become drags
Set an activation distance on your pointer sensor. We use 8px.
The pointer must travel at least 8 pixels before a drag starts.
Tiny safeguard, huge difference in feel.
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define retweeted
Apr 2
Smooth UX detail that AI agents can't do (yet)
When the active tab is at the scroll edge, we detect which side it touches and change its shape.
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define retweeted
Apr 1
Use masks for your scrollable areas
Use the CSS at-rule `@property` to register stops as animatable values. The browser treats your custom property as a `percentage`, so the mask edges transition smoothly.
Result: scroll lists that fade at the edges, revealing content underneath.
No JavaScript needed.
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