Sync or Send

Should this be a meeting?

A lightweight web app that answers that question with more honesty than your calendar ever will.

👉 Live demo: https://sync.nathalievaiser.com/

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What It Is

Sync or Send looks like a normal productivity tool.

It is not.

Paste in a work scenario, click Check, and it will tell you whether this should be:

• Email
• Teams or Slack
• Meeting

Most of the time, it’s not a meeting.

If you want, you can generate a message to send back in one of four tones:

• Polite
• Direct
• Passive Aggressive
• Brutal

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Why It Exists

Too many meetings exist because:

• writing feels harder than talking
• decisions aren’t made ahead of time
• “alignment” becomes a default

This app leans into that reality.

It behaves like a real SaaS tool, but the responses are intentionally:

• dry
• judgmental
• occasionally unnecessary

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What It Does

• Accepts a freeform scenario
• Runs a short fake “analysis” phase
• Classifies the input using simple rules
• Returns a verdict + explanation
• Lets you reroll with Try another
• Generates copyable messages based on tone
• Works entirely as a static frontend (no backend, no APIs)

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How It Works

Verdict logic

Scenarios are mapped using keyword detection and input length into categories like:

• status update
• FYI / info
• simple question
• approval
• brainstorm
• decision
• too many people
• one-on-one
• urgent incident
• rambling
• generic
• legit meeting

Most categories resolve deterministically.

Only the generic bucket uses weighted randomness (heavily biased toward async).

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Response system

• responses.js contains 180+ explanations across categories
• Verdict and explanation are always aligned
• Message generation is tone-based and templated

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UX flow

1. Enter a scenario
2. Click Check
3. Wait ~1.5s while it “analyzes”
4. Get a verdict + explanation
5. Optionally reroll (Try another)
6. Generate a message
7. Switch tone and copy

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Tech Stack

• HTML
• CSS
• Vanilla JavaScript

No framework. No build step.

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Project Structure

.
├── index.html
├── styles.css
├── app.js
├── responses.js
└── README.md