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It's a good idea to prune an Android device periodically, for a few reasons. A mishmash of apps, some aging, have all kinds of on-device routines running that can negatively affect performance. Worse, some are continually accessing the Internet and eating into your data cap -- unlimited wireless Int...

One lesson that's easy to learn if you've been through any natural disaster is that you shouldn't rely on classic means of communications like land lines, cellphones or Internet. Capacity gets challenged; infrastructure gets destroyed. Where I live, in brush-fire and earthquake-prone Southern Califo...

Setting up a brand-new phone can involve numerous aggravations, but if you don't rely on one of the majors like Yahoo and Gmail for email, one of the worst is surely the manual email server configuration. If you use a customized domain name, your Android device's email client is likely to need this ...

I was intrigued when I came across Air Display, an Android app that lets you use your tablet as a second screen. Second PC displays definitely boost work productivity. I've been using two displays for years, keeping my email client open all the time on the left screen -- a laptop display -- and work...

Despite the ever-increasing sizes of mobile-device screens -- many smartphones are now close to or even more than 5 inches -- it's still a pokey and fiddly affair to configure them -- or even look at them, for that matter. Stabbing around those minuscule on-screen keyboards can be a tedious affair.

If you've had any technical support dealings recently, you may have experienced the wonders of a tech agent taking over your PC remotely -- with your permission -- and running ghostly commands and installs using remote-access software. I saw this first-hand recently when a Microsoft support engineer...

The Tibetan government, law firms in Thailand and human rights groups in Sudan are all using a relatively new encrypted communications tool -- one that fits easily, if not cheaply, onto your smartphone. Silent Circle is an encrypted voice, video, text and file-transfer protocol that's available in a...

We all back up our PCs, right? Okay, well, we should back up our PCs, right? Well, smartphones and tablets have become so ubiquitous that we need to back them up now too. It's time. Important photos, videos, contacts and music are now strewn across small, easy-to-lose, easy-to-break, highly...

I know, from correspondence that I receive, that readers of this column are pretty global, spread all over the world and in some pretty distant places. That's why I was intrigued when I came across VoIP Android app Yuilop. Here's an app that promises to provide the hitherto unknown Holy Grail of int...

Fire season is upon us here in Southern California, and due to the lack of rain earlier in the year, we're seeing critically low live fuel moisture. The amount of residual moisture in grasses and brush is at levels lower than we've seen in years. This means that those inhabiting the wildland-urban i...

Here's a novel way to find out if you do indeed need a new phone. It's a benchmarking app that will test components and provide a comparison with crowdsourced benchmarks from other common devices out there. If your 2-year-old, or so, phone or tablet seems a bit sluggish compared with the speed at wh...

Here's a novel way to find out if you do indeed need a new phone. It's a benchmarking app that will test components and provide a comparison with crowdsourced benchmarks from other common devices out there. If your 2-year-old, or so, phone or tablet seems a bit sluggish compared with the speed at wh...

I recently took a look at MeteoEarth, a rather spectacular Google Earth-like animated weather app. This visual, 3D globe-spinning weather app for Android provides zoom-in weather visualizations of the kind seen on television -- and indeed, the publisher is a provider of weather-in-motion graphics to...

It's not all photo apps and more apps when it comes to taking photographs with an Android smartphone -- there are some basics that you need to know, unique to smartphones, that have nothing to do with imaging apps. If you're finding that you're migrating from a dedicated digital camera and taking mo...

If you've ever been involved with any kind of work-related group project, you'll know what a nightmare it is to collaborate via email. The management of file versions alone is enough to introduce ambiguity and quickly hiccup the whole thing. Plus, if you're not careful, it's possible to start an ent...

You know those fancy, animated weather visualizations that you get on the local television news broadcasts -- the ones with the 3D drill-down dynamic graphics that make it appear as if the meteorologist is directing the clouds? Well, you can now get something similar on your Android device. MeteoGro...

Some years ago I decided to eschew paper. It was part of an effort, with which I was obsessed at the time, to become more nomadic. I felt then, and still do to a certain extent, that accumulations of paper were restrictive, because they forced you to always return to the place where the paper was in...

Here's an app that should bring peace of mind to any late-night solo worker, exerciser or neighborhood watch patroller. It's an ingenious combination of personal alarm, tracker and alert creator that uses sensor and other components included in the average smartphone, such as the speaker, to sound a...

Having recently had my bicycle stolen -- after having a set of wheels pilfered in a previous year -- I was getting mad and, to quote the 1976 movie Network, I was not going to be taking it anymore. I decided to beef up my security both in general and on the replacement bike in particular. I...

For years, manners have been defined and documented in easy-to-learn rules classed by geography and culture. For example, in some countries it's acceptable to make abundant noises when eating, whereas in others, eating is a matter to be taken with the utmost seriousness and is performed in stony sil...