Make your next tech choice a clearer one.

Useful explanations, thoughtful comparisons and the news behind the next update.

The same task feeds three equal panels labelled ChatGPT, Claude and Gemini.

ChatGPT · Sep 27

ChatGPT vs Claude vs Gemini: how to choose

Match the assistant to your documents, research sources and the output you need to use.

AI

View all

Chat cards for ChatGPT and Claude marked 24-hour link and Gemini marked 7-day link, with arrows leading into a zipped archive.

ChatGPT · Oct 24

How to export ChatGPT chat history, plus Claude and Gemini chats

Download your ChatGPT, Claude and Gemini chats: where each export lives, how long it takes and when links expire.

An envelope labelled Gmail beside three settings rows: Gmail, Chat and Meet switched on, and Google Workspace, marked Gemini, and Other Google products switched off.

Gemini · Oct 24

How to turn off Gemini in Gmail and Google Workspace

Gemini in Gmail sits behind Google's smart feature settings. Here is which one to switch off and what else it changes.

A chat window with a Share button, a home address and an attached photo, connected by a public link to four people, labelled anyone with the link.

AI chatbots · Oct 23

How to share a ChatGPT conversation, Claude chat or Gemini chat safely

Shared AI chat links can be opened by anyone who has them. What each service includes and how to delete old links.

Illustration of an image card with a Licensed for business stamp beside three checks: ownership, plan and input

AI image generators · Oct 20

Can you use AI images commercially? What the terms say

Who owns AI-generated images, and what OpenAI, Midjourney, Google and Canva let you do with them commercially.

TECH

View all

A USB game drive branches to PS4 direct playback and PS5 copy-back before playback.

PS5 · Oct 24

PS5 USB extended storage: what you can store and play

Use USB storage for PS4 games and archived PS5 installations, with separate checks for saved progress.

A laptop screen showing Remove everything with a progress bar and Clean data on, above four numbered steps: back up, sign out, reset and remove device.

Windows · Oct 24

How to wipe a laptop before selling it, on Windows or Mac

Back up, reset and sign out: the Windows and Mac steps to clear a laptop properly before you sell or give it away.

Three phones labelled iPhone, Pixel and Galaxy, each with a battery gauge and a status (92%, Reduced, Normal), with a dashed line marking 80 per cent capacity.

Phones · Oct 23

How to check phone battery health on iPhone, Pixel and Galaxy

Where to check phone battery health on iPhone, Pixel and Galaxy, and what 80 per cent capacity means.

BEST PRODUCTS

View all

A table compares online-only, locally available and always-kept OneDrive files using cloud and tick icons.

OneDrive · Oct 24

OneDrive Files On-Demand: keep the right files offline

Choose which Windows files stay offline and understand why Free up space is different from Delete.

A list of saved passwords with one marked leaked and one reused under a magnifying glass, beside a hash prefix being checked against a database of known breach lists.

Password managers · Oct 23

How to check if your password has been leaked, and what to do next

Your password manager can already check for leaked passwords. Where to look, how it stays private and what to change.

A computer screen with pop-up windows and a bug badge beside four steps: disconnect, run a full scan, back up and reset if still infected, change passwords from a clean device.

Malware · Oct 21

What to do if your computer has a virus: a step-by-step plan

Disconnect, scan, reset if needed, then change passwords from a clean device: the ACSC's recovery steps in order.

A laptop's VPN tunnel to the internet is cut, with a kill switch toggled on, above three stages: tunnel up, tunnel drops and internet blocked, reconnected.

VPN · Oct 21

What is a VPN kill switch, and should you turn it on?

A VPN kill switch blocks the internet when the VPN drops. Here is how the types differ and where to turn it on.

A Mac laptop labelled Time Machine and a Windows PC labelled File History both connected to one backup drive, above the versions Time Machine keeps: hourly for the past 24 hours, daily for the past month, weekly for older months.

Backup · Oct 21

Windows File History vs Time Machine: set up a local backup

File History and Time Machine both keep earlier versions of your files on an external drive. How to set each one up.

Understand. Learn. Keep Ahead.

ULKA helps you make sense of AI, personal technology and the digital services you use every day. Read our editorial approach, explore the team or get in touch.