An advent calendar that never ends · Door 274 / 365 · Thu Oct 1
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October 1, 2026 · 3 min read · Olaf Jacobson

One door a day: why I built an advent calendar that never ends

Remember StumbleUpon?

You'd click one button and land somewhere you'd never have found on your own: a tiny shop, a strange little tool, a blog by someone who cared way too much about one thing. Half the fun was not knowing what was next. I lost hours to it, and I loved it.

Somewhere along the way the internet traded that feeling for feeds. Infinite, algorithmic, and loud. You don't stumble upon things anymore. Things are pushed at you, fifty at a time.

The Daily Door is my attempt to get a bit of that stumble feeling back.

An advent calendar that never ends

As a kid, the best part of December was the advent calendar. One little door a day. You couldn't open tomorrow's early, and that was exactly what made today's feel special.

So the idea is simple: every day of the year has one door. Behind it is one business. Not a list, not a feed. One.

You can visit yourdailydoor.com to see today's door, or subscribe and get it in your inbox every morning. It takes thirty seconds to read, and then you're done for the day.

Why it's fun to open

  • One thing, not fifty. No scrolling, no tabs to close. A single discovery you can take or leave.
  • You never know what's behind it. Upcoming doors stay sealed: who's behind tomorrow's door stays a secret until the day arrives.
  • There's often a little gift. Many doors come with a treat for readers: a discount code, a longer free trial, something new to try first. 🎁
  • It's light. One email a day, unsubscribe in one click. That's the whole commitment.

Why it works for businesses

Advertising today mostly means shouting into the same feed as everyone else. Your ad sits between forty others, and readers have learned to scroll past all of them.

A door is different:

  • You're the only one. For that whole day, your brand is the only ad on the site and the only thing in every subscriber's inbox. No competing for attention, because there's no one to compete with.
  • You own a date. Not an impression, not a slot in a rotation. A specific day, which only ever happens once, and it stays in the archive afterwards.
  • It starts at $1. Every day is auctioned: you set the most you'd pay, the system bids for you in small steps, and you only pay if you win. If nobody else wants your day, it's yours for the opening price.
  • It's built for a moment. Launching something? Running a promo? Pick the exact day it matters and put a door on it.

It's especially good for the kind of businesses I like stumbling upon: indie makers, small shops, new tools and local brands that deserve a moment in front of new people.

Where it comes from

During the day I work on Soon, where we help teams plan their time: who works when, and how to make every slot count. The Daily Door is the playful cousin of that. A calendar with 365 slots a year, each one going to whoever wants it most.

I built the first version in a day, and kept it just as simple: no feed, no cookies, no ad trackers following you around. Every ad is reviewed by a person before it goes live.

Open a door

  • Want a daily discovery? Subscribe. One email, every morning.
  • Have something worth discovering? Pick your day. Bidding starts at $1.

And if you remember StumbleUpon too, I'd love to hear what you found there.

— Olaf