AI · Apple · Tesla · AdTech
An independent journal from Seoul
THE OCTOBER ISSUEOct 14, 2026 · Reading tech by its sources
AI, Apple, Tesla and ad tech. An independent tech journal that keeps official announcements, press reports and hands-on experience clearly apart.
COVER STORY
ATT and the IDFA, the starting point of iOS app advertising, explained from Apple's official documentation. Why 2026 opt-in benchmarks differ by vendor, the rules for raising opt-in, Germany's competition settlement and the EU-only prompt in iOS 27.2.
A beginner-friendly guide to SKAdNetwork, the core of iOS ad measurement: conversion values, three postbacks, crowd anonymity, and how it relates to Apple's recommended AdAttributionKit.
Every app marketer runs into MMPs sooner or later. What they do, and how the big three differ, from a practitioner's point of view.
ChatGPT, Gemini and Claude compared in one table: what the free plans include, the standard ₩29,000-tier plans, and top plans for heavy users. Covers Gemini's October plan changes and the Google AI Pro discount, based on official sources. Prices are for South Korea.
Google released Gemini 4 Argon on October 13, 2026. One million output tokens, a benchmark table against GPT-6 Astra and Claude Opus 5.5, robotics use, how to access it, and API pricing, based on Google's official announcements.
The key new features of iOS 27, released in September 2026, which iPhones get it, when Siri AI arrives in more languages, and a checklist to run before updating, based on Apple's official announcements.
SECTION · ADTECH
App marketing, attribution and ad tech from a practitioner's view.
All AdTech stories →A beginner-friendly guide to SKAdNetwork, the core of iOS ad measurement: conversion values, three postbacks, crowd anonymity, and how it relates to Apple's recommended AdAttributionKit.
Every app marketer runs into MMPs sooner or later. What they do, and how the big three differ, from a practitioner's point of view.
THE SOURCE DESK
Every story carries a type label. Check whether it is an official announcement, a summary of press reports, or hands-on experience before you read.
Official공식 발표
Based on company announcements, official support documents and release notes, with links to the originals.
Reported보도 정리
When summarising press coverage we name the outlet, and say so when something is unconfirmed.
Hands-on실사용기
First-hand use, with the period and conditions noted, and opinion kept apart from fact.
Corrections정정
Tell us about an error and we fix it promptly, marking the story with an updated date.