willemvroom.com

Tinkering and learning with AI.

AI is moving fast, so I learn by building. Every experiment turns into something you can use: a video, a guide or a tool for posting on X. I use it myself first. Then I share it here.

Nobody reads past your first line. So that’s where I start.

01

Oct 28, 2026

Hooks on X: the video

20 opening lines that stop the scroll. A 5-minute explainer with a template and an example post for every hook.

View on X

02

Oct 28, 2026

Hooks on X

The full guide to all 20 hooks: why each one works, when to use it, what to avoid, and a button to post it on X.

Read the guide

03

Oct 28, 2026

How to Hook

A step-by-step workshop to write your own hook, with a checklist, templates and a composer that posts straight to X.

Open the workshop

04

Oct 28, 2026

Hooks for Bots

Prompts and standing rules that make Grok, ChatGPT, Claude and agent bots write opening lines worth reading. Copy a prompt or send it straight to your bot.

Get the prompts

05

Oct 28, 2026

Hook App

Pick one of 20 hooks, fill the template, build the full post or thread, get bot help and post it straight to X.

Open the app

06

Oct 28, 2026

Reply on X: does it pay to be a reply guy?

What X’s open-source algorithm says about replies, the weights that matter and a 30-day experiment to grow with thoughtful replies.

Read it

07

Oct 28, 2026

How to Reply

The reply workshop: 7 steps, examples across niches, 12 before and after rewrites, templates for every angle and a daily routine.

Open the workshop

08

Oct 28, 2026

Reply App

Paste a post, pick one of 12 reply angles, get a Reply score and post a reply worth reading. With a niche target list and a 30-day tracker.

Open the app

09

Oct 28, 2026

X Algorithm

How X's For You feed really works, straight from the open-source code: exact weights, what changed from 2023 to 2026, myths vs facts.

Read the guide

10

Oct 28, 2026

Timing on X

The 48-hour window, the new-author boost and author diversity, from the code.

Read

11

Oct 28, 2026

Images and video on X

The exact media weights in X's code, and why they only help when people stay.

Read

12

Oct 28, 2026

Negative signals on X

Mutes, blocks, reports and not interested: the weights and the visibility systems.

Read

13

Oct 28, 2026

Growing followers on X

Follow weight, mutual follows, the small-account boost and credibility.

Read

14

Oct 28, 2026

Shares on X

Copy link is worth 20 in X's code, about 30× a like. What each share type means and how to write posts people forward.

Read

15

Oct 28, 2026

Share Hooks

18 short "Who needs this?" questions to end a useful post, with Copy and Post on X buttons.

Open the tool

16

Oct 28, 2026

Site Map

Every guide, app and tool on willemvroom.com at a glance, in one clickable tree.

Site map of willemvroom.com

Open the map

17

Oct 28, 2026

The X Toolkit

Everything in one workflow: understand the algorithm, hook, post, get shares, reply and grow. With a weights cheat sheet and a daily routine.

The X Toolkit

Read

18

Oct 28, 2026

Toolkit App

One app for the whole workflow: hook, post, share question, a heuristic algorithm check, and Reply mode.

Toolkit App

Open the app

19

Nov 1, 2026

Spambots on X

Losing followers overnight isn't always bad news. What spambots are, why counts drop, and what to do about them.

Losing followers overnight isn't always bad news. Spambots on X

Read

Contact

Email

@willemvroom