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Some of this attitude carries over when these kids graduate and get a job. They're highly vocal and opinionated, but they are equally noisy on topics they have no knowledge on as they are within their own area of expertise. Thankfully, most of them quickly learn better, but sadly some of them are perceived as "strong decision-makers" (whatever the hell that means) and promoted to management, where their unfounded opinions actually do damage.
And GP is right: hiring 5 guys at 80% instead of 4 full time guys may well increase overall cost, because of the effects of tax and wage regulations.
- Light recipes. Especially in the living room where there are many lights all around the room, including some Philips Hue bulbs that can change color. Instead of having to set all of them for dinner, sitting around or movie night or whatever, 1 button does it all. And it works with the media player, put that on pause and the lights dim up a bit
- Heating in certain rooms is turned off when not in use, and turned on automatically when someone is there. This saves a little on the heating bill.
- Irrigation in the greenhouse is fully automatic.
- If I go to bed, I get a warning if there are still doors unlocked.
- When leaving the house, 1 button switches of all lights, heating and airco.
- Notifications on my smart phone in case a smoke detector or flood sensor is tripped. The smoke detectors will also trip all lights.
Stuff like that. Nothing life-changing, but those little conveniences do add up and if the hub is offline for whatever reason, we start missing them...
The transactions are public. But that has nothing to do with anonymity of the accounts.
And the cloud? This stuff needs to remain private and has no place in the cloud. Another good reason to do HA using a hub that you own and control.
I have an app on the app store, which I sell for $4.99. It sells reasonably well at that price, but if I look at the income it generates versus the hours I put in developing it, I should charge something closer to $39.99 at the same sales volume, in order to arrive at a decent hourly rate. At the same time, customers ask me why I don't shell out for professional artwork, a UX designer, and better support. Other apps offer all that for *free* or for a buck, so why not expect the same from my more expensive app? Simple: the outlay will never cover the little bit of extra revenue it might generate. Those numbers work if you sell a $.99 (or ad supported) game to 50 million people, not if you sell an app to serve a niche-within-a-niche. But both apps are judged the same, and anything over say $1.99 is perceived as "expensive" (which is a joke if you're willing to spend $899 on a phone).
As a developer, I understand that the race to the bottom is even worse on the Play store, at least it was a while ago, perhaps the App Store has caught up by now.
I'm more impressed by countries that generate a sizable amount of power from other renewables like solar and wind, like Denmark, Germany and Spain. Irregular overcapacity may be playing havoc with their wholesale electricity prices, while at the consumer level these sources are not yet competitive for consumers buying wind power or for grid operators buying surplus solar back at consumer rates... but even so they continue to research and improve.
I'm not saying we shouldn't do the R&D; on the contrary. And there's a business opportunity there as well; solar and wind are technologies that most countries can benefit from, unlike hydro.