MixYZ

Y + Z = something new

Mix two things.
Get something new.

The best new tech is usually two old things that finally met. A phone met a camera. A car met a big battery. A watch met a heart sensor. MixYZ is about those mixes — why they work, which ones flop, and what we could mix next.

Try the Mix lab See mixes that worked
Things in every mix
2
New things out
1
Rules about who mixes with whom
0
Phone Camera
The camera phone

01 — The idea

Blue for one. Pink for the other.
We’d rather mix them.

You know the old rule. Blue for boys, pink for girls. Two boxes, kept apart. We think the fun starts when you stop sorting and start mixing. Blue and pink make purple — a color neither one had on its own. Tech works the same way.

So why Y and Z?

Y is the first thing. Z is the second. We made Y blue and Z pink on purpose, as a wink at that old rule. The x in Mix is the spot where they meet. The purple you see all over this site isn’t picked from a chart. Your browser makes it fresh by mixing the blue and the pink.

  1. 01

    Pick a Y

    Start with something people already use every day. A phone. A car. A doorbell. It has a crowd that loves it.

  2. 02

    Pick a Z

    Grab something from a totally different shelf. A camera. A battery. A tiny robot. It has a different crowd.

  3. 03

    Mix them

    Squeeze them into one thing that does both. Then keep at it until it does both well. That part takes the longest.

  4. 04

    Hand it to everyone

    A good mix brings both crowds along. Then it finds a third one: people who never cared about either thing before.

02 — Mixes that worked

You already own a few of these.

None of these started as a brand-new idea. Each one is two things you already knew, put in the same box. That’s why they caught on with almost everybody.

Phone+Camera

The camera phone

Most photos today are taken on a phone. The camera you always have with you beats the nicer one sitting at home.

Car+Big battery

The electric car

Swap the gas tank for a big battery and a motor. Now you can “fill up” in your own driveway while you sleep.

Watch+Heart sensor

The smartwatch

A watch used to just tell time. Add a few sensors and it counts your steps, tracks your sleep, and checks your heart.

Doorbell+Camera

The video doorbell

See who’s at the door from anywhere. Even when you’re at work. Even when you’re pretending not to be home.

Vacuum+Robot

The robot vacuum

It cleans the floor while you’re out. It bumps into chairs a lot. It never complains about it.

Map+GPS

Turn-by-turn directions

The paper map met satellites in space. Now a calm voice says “turn left” right before you need to.

And a few that flopped

Not every mix works. Phones with a tiny movie projector built in. Fridges with a giant screen on the door. A mix fails when the two halves fight, or when nobody needed both at once. A flop is still useful, though. It shows the next person what not to try.

03 — Mix lab

Make your own mix.

Pick a Y. Pick a Z. Press Mix. Some of these already exist. Some don’t, yet. That’s where the good ideas hide. Nothing you pick here leaves your browser.

Pick two things and press Mix.

 

The Mix lab needs JavaScript to run. Everything else on the page works without it.

04 — How we built this

This site is a mix too.
One person, one AI.

Build notes · October 2026 · John G

A site about mixing two things should probably say how it was made. So here it is. A person and an AI built it together. Here is who did what, and where the AI got it wrong.

Who did what

The person picked the name, the idea of a blue Y and a pink Z, and the rules this site had to follow. Those rules came from his other sites: no trackers, a short intro you can skip, light and dark mode, and copy a sixth grader can read. The AI wrote the first draft of almost everything else. That means the pages, the styling, the intro, the Mix lab, and the notes that explain how it all fits together.

Where it went wrong

The AI was sure of itself and wrong more than once. It made up a contact address before anyone told it the real one. It copied a layout trick from another site without checking it, and that trick left some sections a little out of line with the rest. It sized the hero numbers so one of them sat lower than the other two. In the intro, it made the little x spin and grow until it crashed into the letter next to it.

Each one looked fine in the code. Each one was wrong on the screen. They got caught because the page was measured and looked at, not just read. The layout trick turned out to be broken on the older site too, so that got written down for the next person.

Why say any of this?

Because it’s the whole idea of the site. An AI is fast at the first draft. A person knows what the thing is for. Neither one is as good alone. Mixed, they made this page in an afternoon — and a person still read every line before it went up.

Under the hood

  • Hosting Cloudflare Pages, free plan
  • Built by hand Plain HTML, one style file, one script. No website builder
  • Outside code None. Not even fonts
  • Analytics None. We are not watching you
  • The purple color-mix(in oklab, blue, pink), worked out by your browser
  • Running cost $0 a month, on purpose

05 — Pitch a mix

Got two things that should be one?

Tell us your Y, your Z, and what you’d get if you mixed them. Silly is fine. Half the best ideas sounded silly at first. A person reads every one.