If you laid all the wristbands, smartwatches and head-mountable cameras at the International Consumer Electronics Show (CES) end to end, they would probably run the length of the
But what the firms showing off "wearable" technologies this year would dearly love to know is: will anyone buy them? Because if wearables - devices with computer chips that can monitor your heart rate, steps taken, and even location - don't take off, then the consumer electronics industry will have to fall back on its reliable sellers: big TVs, tablets and PCs.
Or it might just grab your attention with this year's other surprise: household appliances you can text - so you can ask your washing machine how it's getting on.
CES opened its doors yesterday to thousands of visitors hoping to see the future products that they will be using and, perhaps, wearing.
Netatmo meanwhile offered "smart jewellery" which monitors your skin's ultraviolet exposure and sends it to a smartphone app. The Wellograph is a smartwatch with a heart monitor that also tracks your movement. And for the truly fitness-obsessed, Runphones has a sweatband which tracks your performance when running.
Also on show was Samsung's Galaxy Gear, a smartwatch released last September to general indifference. Pebble, which raised
There's no sign yet though that anyone is actually buying them in significant numbers. "The market for smartwatches is getting crowded before there is even a real market of smartwatches," commented
He cautions though that "many wearable devices will have their five minutes of fame at shows like CES before disappearing into oblivion".
Certainly last year's
The other CES staple that could be laid along the length of the
The problem now is finding content for such super-detailed screens.
One theme that keeps returning to CES, year after year, is the "connected home". The "internet fridge" made its regular appearance, this time from LG, whose US head of appliance brand marketing,
Washing machines too will answer to your texts, he explained: "For the first time you'll be able to text your washing machine 'What are you doing?' and it'll let you know how it's getting on." He explained: "You no longer need to learn machine commands. Just speak naturally and your oven will understand you. Simply text it to find out what you need for a recipe."
Will we have smart ovens by Christmas that will know how to cook turkey while we watch football on 4K TVs, monitoring our sofa habits with wristbands? At least two of them look unlikely. But CES is always about the promise - not necessarily the product.
Tech firms have made a massive bet on wearable technology, such as the Samsung Galaxy Gear and, far left, the Lifeband Touch
Journalists watch Samsung's presentation in
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