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I ran a 5-day experiment to see how fast Google reshapes your ad profile

https://nanobuilds.substack.com/p/how-fast-can-you-reshape-what-google

2•nanobuilds•1h ago

Comments

nanobuilds•1h ago

Three fresh Google accounts on different US residential proxies. Two browsed with specific personas (fisherman, fitness). The third did nothing for five days.

Google was more aggressive than I expected. 17 new ad interests from a single session. By Day 1 it was already removing interests and replacing them. Not adding to your profile. Rewriting it. The control didn't move once in five days.

I built a Mac app (MirrorMask) that does this against your real profiles. Happy to answer questions about the methodology.

MasterSelects: A GPU-First Video Editor Built on WebGPU

https://www.webgpu.com/showcase/masterselects-webgpu-video-editor/

1•FarhadG•40s ago•0 comments

Semiconductor enthusiast builds DIY 'class 100 cleanroom' in his garden shed

https://www.tomshardware.com/tech-industry/semiconductors/ambitious-semiconductor-enthusiast-buil...

1•mywacaday•2m ago•0 comments

DoorDash's New Paid Tasks Turn Couriers into AI and Robot Trainers

https://www.bloomberg.com/news/articles/2026-03-19/doordash-s-new-paid-tasks-turn-couriers-into-a...

1•thm•3m ago•0 comments

OpenClaw and the China-US AI Agent Divide

https://hellochinatech.com/p/openclaw-china-us-agent-divide

2•yarapavan•5m ago•0 comments

Humanoid robot gets surprisingly good at tennis

https://newatlas.com/ai-humanoids/humanoid-robot-tennis-latent-unitree-g1/

2•Brajeshwar•6m ago•0 comments

Reference Code for the Slug Algorithm

https://github.com/EricLengyel/Slug

2•bwidlar•6m ago•0 comments

Special Commitment Center

https://en.wikipedia.org/wiki/Special_Commitment_Center

1•djoldman•7m ago•0 comments

Social media makes people unhappy – World Happiness Report

https://www.dw.com/en/social-media-makes-people-unhappy-world-happiness-report/a-76422753

1•giuliomagnifico•7m ago•0 comments

Millwright: Smarter Tool Selection from Agent Experience

https://minor.gripe/posts/2026-03-13-millwright_smarter_tool_selection_with_adaptive_toolsheds/

2•ai_critic•8m ago•0 comments

Nominal Connect: Shipping Realtime Desktop Software with Rust, Bevy, and Egui

https://nominal.io/blog/nominal-connect-shipping-realtime-desktop-software-with-rust-bevy-and-egui

1•ibobev•9m ago•0 comments

Show HN: Yansu – agent that builds your bespoke app before you ask

https://yansu.app/

1•yubozhao•9m ago•0 comments

Who's really behind the Iran war? [video]

https://www.youtube.com/watch?v=YBGs2XSP58A

1•teleforce•9m ago•0 comments

Moon (2024)

https://ciechanow.ski/moon/

1•darkwater•10m ago•0 comments

Erlang's not about lightweight processes and message passing

https://stevana.github.io/erlangs_not_about_lightweight_processes_and_message_passing.html#correc...

2•Munksgaard•10m ago•0 comments

Show HN: Xtream2M3U – Convert, Edit and Play IPTV Playlist (Browser-Based)

https://www.xtream2m3u.com/

2•onion92•12m ago•0 comments

How I Learned to Think and Work Like a Startup Founder

https://lasans.blog/articles/thoughts/how-i-learned-to-think-and-work-like-a-startup-founder/

1•lasgawe•13m ago•0 comments

Downleveled

https://k2xl.substack.com/p/downleveled

1•k2xl•14m ago•0 comments

Terraform Cloud Drift Detection: How It Works and Setup

https://spacelift.io/blog/terraform-cloud-drift-detection

1•kat-w•15m ago•0 comments

Show HN: Juttu – Open-source Disqus alternative where comments are Bluesky posts

https://github.com/matteomarjanovic/juttu

1•matteomrj•16m ago•0 comments

Opera GX, the browser for gamers, has landed on Linux

https://www.neowin.net/news/opera-gx-the-browser-for-gamers-has-finally-landed-on-linux/

1•bundie•16m ago•0 comments

Show HN: Search dashcam footage by describing what happened

https://github.com/ssrajadh/sentrysearch

1•sohamrj•16m ago•0 comments

Check your websites AI visibility directly from the browser in 1 click

https://chromewebstore.google.com/detail/llm-check-ai-readiness-vi/oalgfkbijifcmkbibinfoppkmhckjjcj

1•sansreal•17m ago•0 comments

Use subagents and custom agents in Codex

https://simonwillison.net/2026/Mar/16/codex-subagents/

1•gmays•19m ago•0 comments

Kash Patel Admits the FBI Is Buying Private Data on Americans

https://gizmodo.com/kash-patel-admits-the-fbi-is-buying-private-data-on-americans-2000735317

3•sebastian_z•19m ago•0 comments

Show HN: Backlit – Lit Web Component SSR for Drupal via Go and WASM, No Node.js

https://bennypowers.dev/posts/drupal-lit-ssr-wasm/

2•bennypowers•20m ago•0 comments

Majority of UK power in the last week was wind

https://grid.iamkate.com/

1•gregorvand•21m ago•2 comments

Dial9: A Flight Recorder for Tokio

https://tokio.rs/blog/2026-03-18-dial9

2•emschwartz•22m ago•0 comments

Instrumenting Rustls with eBPF

https://coroot.com/blog/instrumenting-rust-tls-with-ebpf/

1•DebianDude•24m ago•0 comments

Show HN: Observarium, a simple exception tracking library for Java

https://github.com/hephaistos-io/observarium

1•RicDan•24m ago•0 comments

The case for and against a 5th fundamental force of nature

https://bigthink.com/starts-with-a-bang/5th-fundamental-force/

1•Brajeshwar•24m ago•0 comments