Glenn FleishmanSenior Contributor, Macworld Follow me on Google+

Glenn Fleishman is the owner and editor of The Magazine, a fortnightly periodical of stories for curious people with a technical bent. He is a regular contributor to the Economist and a senior contributor to Macworld.

Use timed access to lock out iDevices from Wi-Fi

Worried that your teen or tween is spending all night wired to the iPod touch or iPad? Glenn Fleishman walks you through a way to set timed access in a manner that sticks if you're using an Apple Wi-Fi base station on your network.

Managing your 250MB iPad 3G plan

We've already shown you how far 250MB can go. Now, Glenn Fleishman has some tips for wringing every last megabyte out of your monthly iPad plan with AT&T.

Up close: Google Docs online file storage

Google has added an upload option to its Google Docs, but not powerful.

Are broadband usage caps inevitable?

Is it inevitable that broadband providers will cap the amount of bandwidth you can use in a month? Glenn Fleishman investigates.

Troubleshoot your DNS

Are Web pages loading more slowly than they should? The problem could be your DNS settings. Glenn Fleishman explains how to diagnose and fix DNS problems.

User-generated maps? Game on!

A crowdsourced GPS app has an intriguing future, says Glenn Fleishman.

TomTom iPhone Car Kit

Glenn Fleishman reviews TomTom's add-on iPhone Car Kit.

12 iPhone GPS apps for navigation reviewed

Glenn Fleishman takes 12 iPhone GPS-navigation apps for a test drive. Which one should be your destination?

ShareTool extends Bonjour over the 'net

ShareTool lets you securely share, over the Internet, all the services on a particular computer, as well as all the services that computer can reach on its local network.