The IoT Trap

I’m sure that you’ve heard about the Sonos speaker debacle. (If not, read about it on Hackaday.) Basically, a company that sells a premium Internet-connected speaker wanted to retire an older product line, and offered a 30% discount to people who would “trade in” their old speakers for new ones. The catch: they weren’t really trading them in, but instead flashing a “self-destruct” firmware and then taking it to the recycling.

Naturally, Sonos’ most loyal customers weren’t happy about intentionally bricking their faithful devices, a hubbub ensued, and eventually the CEO ended up reversing course and eating crow. Hackaday’s own Gerrit Coetzee wrote up our coverage and mentioned that maybe Sonos just couldn’t afford to support the service for the old products any more, and didn’t want them to remain in the wild. So much so, that it’s worth 30% of the cost of their current product to get out from under the implicit contract.

By buying one of these IoT devices, you’re paying more money up front for the promise that the company will keep supporting the service that it relies on into the future. But providing this service costs money, and as more and more “products” are actually services in disguise, we’ve seen case after case of working machines shut down because the company doesn’t want to keep paying for the service. It doesn’t seem to matter if the company is small, like Sonos, or an immensely wealthy monopoly player like Google. Somehow, the people planning these products have a much shorter lifetime in mind than their customers do, and fail to make the up-front price cover costs.

This puts these companies in a tough spot. The more a customer loves the device, the longer they’ll want to keep it running, and the worse the blowback will be when the firm eventually has to try to weasel its way out of a “lifetime” contract. And they are alienating exactly their most loyal customers — those who want to keep their widget running longer than might even be reasonable. Given that this whole business model is new, it’s not surprising that some firms will get it wrong. What’s surprising to me is how many fall into the IoT trap.

So take this as a cautionary tale as a consumer. And if you’re in a company offering a product that depends on a service to continue to function, ask yourself if you’re really going to be able to support it for the customer’s idea of the lifetime of the product. What looks like a great deal at a five-year horizon might bankrupt your company at ten. Will you, or your customers, be willing to throw their devices away? Should they be?

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Step The Halbach From My Magnets

[Klaus Halbach] gets his name attached to these clever arrangements of permanent magnets but the effect was discovered by [John C. Mallinson]. Mallinson array sounds good too, but what’s in a name? A Halbach array consists of permanent magnets with their poles rotated relative to each other. Depending on how they’re rotated, you can create some useful patterns in the overall magnetic field.

Over at the K&J Magnetics blog, they dig into the effects and power of these arrays in the linear form and the circular form. The Halbach effect may not be a common topic over dinner, but the arrays are appearing in some of the best tech including maglev trains, hoverboards (that don’t ride on rubber wheels), and the particle accelerators they were designed for.

Once aligned, these arrays sculpt a magnetic field. The field can be one-sided, neutralized at one point, and metal filings are used to demonstrate the shape of these fields in a quick video. In the video after the break, a powerful magnetic field is built but when a rare earth magnet is placed in the center, rather than blasting into one of the nearby magnets, it wobbles lazily.

Be careful when working with powerful magnets, they can pinch and crush, but go ahead and build your own levitating flyer or if you came for hoverboards, check out this hoverboard built with gardening tools.

 

Continue reading “Step The Halbach From My Magnets”

Hackaday Links: Valentine’s Day, 2016

A few months ago, we posted all the videos from the 2015 Hackaday SuperConference. Putting all of these videos up on YouTube isn’t the greatest idea, and thanks to [Jason Scott] of the Internet Archive and a little bit of sneakernetting, all the talks are also available on archive.org.

As an aside, the SuperCon was filmed on two Blackmagic URSA cameras. The resulting files for the talks on both cameras came in at a little over one Terabyte. These were edited down into the finished videos for YouTube, at around 20 Gigs per video. Once those hit the YouTube servers, they were converted once again (trust me, this made the most sense), and I was able to download the YouTube files and sneakernet all the talks to [Jason] on an 8GB thumb drive. The next time we do this, we’ll build a Xeon-based SLI Titan rig for video editing.

The German TV show NEO MAGAZIN Royale asked their viewers to send in old hardware. These old floppy drives, scanners, typewriters, hard drives, modems, and speakers would be turned into instruments. The German hip hop group, Fettes Brot performed Die da on these instruments with sufficiently electronic results.

You know we’re having a con in Belgrade on April 9, right? Wait, I’m sorry. 9 April. The call for proposals ends very, very soon. If you have something cool to talk about, fill out the form.

Montreal has a lot of great architecture, all of which is coincidently held together by Robertson screws. Now one of those famous old buildings, the Saint-Sulpice Library is turning into a hackerspace or tech incubator sort of thing thanks to a $17 Million Canadian Peso investment from the city and province.

Just a reminder that the NL6621 WiFi SoC exists. It’s been called the ESP8266 killer, but some of the most recent posts on the English language development forum are for buying phentermine – an appetite suppressant – without a prescription. The people demand information, so if you have some, put it in the comments below.

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Valentines

Hackaday Newsletter: Now Including “This Day In Hackaday History”

timehax

A while back we toyed with the idea of doing a look back on hackaday history. We weren’t sure how often to publish it, or what exactly to publish. Now, we’ve decided that this will be the main part of the Hackaday news letter. You can sign up here if you haven’t already, but hurry I’m sending out today’s newsletter in a couple hours!

Each email (1-2 a week) will have that day’s history going all the way back to roughly the beginning. It will also have a quick blurb about what video I’m working on or any other little hackaday news bits.

The Hackaday Newsletter Is Growing!

NewsletterI’ve been having fun with the newsletter, and we have over 2500 people subscribed.  Up to this point they have mainly just been composed of information about the videos I’m making.  I’m going to change that this week.  The emails will now also have 10 random hacks, probably the most popular hacks that week. Maybe something from the past of hackaday. It all pretty much just depends on what people end up enjoying.  You’ll find the sign up form here, or over there –> in the side bar.

I’m going to keep this extremely informal. I’ll let you know what projects I’m working on, and share some hacks with you. Sign up if this sounds like something you’d enjoy! I plan on sending out 1 to 2 emails per week.