Tech explained for non-geeks

Latest explainers

• Where did all my mobile data go?

  Out of data before the month is over? Here's how to see which apps used it, why video is usually the culprit, and how to keep watching without running out.

• Who can still see me in incognito mode?

  Incognito keeps your browsing off the device you're using. Here's what it forgets, what stays, and who can still see you: sites, accounts and networks.

• Do I need another AI app?

  That AI app ad keeps following you around. Before you pay, start with what you want it for: lots of phones and email apps can already do it.

• How does my map work with no signal?

  Zero bars, and your blue dot still moves. Your phone listens to satellites for free; it's the map around the dot that may need data. Here's how to download it.

• Is it crazy to keep all my passwords in one place?

  A password app sounds like one big target. Here's why one password used everywhere is the real target, and how to set up the free manager you already have.