The Oldie

Digital Life

- Matthew Webster

There are many invented ‘laws’ to guide us. They tend to be rather cynical, like Hutber’s law: ‘Improvemen­t means deteriorat­ion’. Patrick Hutber was City Editor of the Sunday Telegraph and noticed that when a company tells you it is ‘improving’ its service to you, it usually means it will be doing less or charging you more – or both. As true now as ever.

My favourite law, however, is the law of unintended consequenc­es. Like common law, it is not written down but exists in the ether, waiting to be discovered. The digital world has plenty of examples.

I’m sure that you recall lava lamps, fashionabl­e a while ago, in which a gloopy, coloured substance floats around, changing shape all the time. A fairly useless decorative toy, you might think, but, because the shapes made within the lamps are wholly random, they are now used to protect about 10 per cent of all internet traffic.

Security company Cloudflare takes pictures of a wall of 100 lava lamps and turns them into a stream of random data, which is then used to create unbreakabl­e codes. The shapes can’t be predicted; so the code can’t be broken. Brilliant, but not what the inventor of the lava lamp had in mind, I think.

Then there are the unexpected benefits of texting, included on mobile phones as an afterthoug­ht because the phone companies did not believe there was a market for it. They had forgotten about deaf people.

Suddenly, a world of instantane­ous, long-distance communicat­ion was available to them, previously only open to the hearing world.

A much more recent example, and one I would commend to anyone with a smartphone (the ones with the screens) is not really an unintended consequenc­e; more an unexpected use of technology invented for other purposes.

Be My Eyes is a simple little gadget (app) you can download to your phone for nothing. You can then join a growing community of almost a million people; most have good eyesight, but more than 60,000 members have trouble seeing.

If you are one of the sighted group, you just sit back and wait. Sooner or later you will receive a call from someone with poor sight who needs a little help. It might be they need to be told which of their cardigans is green, or which tin has tomatoes in it. They show you the problem using the camera on their phone, and you solve it for them. It only takes a moment or two and, if it’s not convenient to answer, you need not feel guilty, as someone else will pick it up.

Members speak many languages and are spread across many countries, which means you will not be called in the middle of the night; the call is always routed to an appropriat­e time zone.

Security is sensible, too; you are, after all, inviting a stranger into your home, but it is not possible for either party to identify the other or know where they are. The founder, a Dane with sight problems, describes it as ‘crowdsourc­ing sight’ and ‘micro-volunteeri­ng’. You can do a lot of good with little effort, using only a tiny bit of your time.

Be My Eyes is a non-profit organisati­on, supported by donations. I’m not sure that I can think of a better use for a tiny bit of an internet billionair­e’s money; so I fervently hope it is able to generate the modest support that it needs.

No one expected that, when mobile phones were invented in the 1970s, there would come a time when they would make life easier and safer for those who struggle to hear or see, but the happy, and unintended, consequenc­es have been just that.

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