Chris MessinaAug 26, 2025
Awesome #hashtagiversary birthday gift from Julius Moorman. [On this date, 18 years ago, I published the blog post that defined how hashtags should work. 🤓]

Why Twitter hates the #hashtag
Why Twitter hates the #hashtag

YouTube
Chris MessinaAug 23, 2025
Happy 18th #Hashtagiversary little buddy! #️⃣🎂 You've grown up to be so strange and unique — to become your own symbol on the world that's often both loved and reviled. Fundamentally you remain true to your purpose: to grow and evolve with and alongside culture, as always. #IDemandHashtags

Hashtag invention 'accidental ...
Hashtag invention 'accidental trip'

The man who kicked off the use of hashtags on Twitter has described the invention as "an accidental trip over a very simple idea".

BBC News
Chris MessinaAug 23, 2024

Happy #Hashtagiversary!

Today is the hashtag's 17th birthday! 🎂

One more year and it'll be able to:

🗳️ Vote in elections
🪖 Join the military
🩸 Donate blood and become an organ donor
👔 Work full-time without restrictions
🎟️ Purchase lottery tickets and gamble
🫣 Buy pornographic materials

Chris MessinaAug 23, 2024
Happy #Hashtagiversary! Today is the hashtag's 17th birthday! 🎂 One more year and it'll be able to: 🗳️ Vote in elections 🪖 Join the military 🩸 Donate blood and become an organ donor 👔 Work full-time without restrictions 🎟️ Purchase lottery tickets and gamble 🫣 Buy pornographic materials
Chris MessinaAug 23, 2023

Happy 16th #hashtagiversary! The humble hashtag turns old enough to drive today! 🎂

Here's my proposal that kicked it off. Some of the ideas in here have still never been built by a mainstream social media platform. 😬

https://J.mp/tagchannels

Groups for Twitter; or A Proposal for Twitter Tag Channels

This is the post that I alluded to in my last one about Whispering Tweets. I’ll make a disclaimer right now that the title of this post is misleading and actually not about Groups for Twitter…

Factory Joe