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    Already seeing several friends complaining that they can’t use it because they have restricted it to people who have their phones set to use the German app store. https://github.com/corona-warn-app/cwa-app-android/issues/478 Here in Berlin immigrants make up something like 30% of the population, and there is generally no need to get a German phone when you move here. Add “app store location is where you physically live” to the list of myths programmers mistakenly believe in.

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      I really wonder, what’s the goal of such measure?

      Let’s say I leave in a neighboring country like France for example, but work in Germany, it would make sense for me to have both apps, right? (Actually it would make even more sense to have one app for all countries, but that’s another story…). By tying the apps to a given national store, then it makes things harder, which is counter productive.

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        My impression is that it was an easy way for Apple/Google to enforce the one app per country rule, but outside of that I’m not really sure.

        I had a similar weird experience when trying to purchase RainToday (en) while my phone was set to the US app store.¹ Many of MeteoGroup’s other apps are available in the US app store, but not RainToday, and when asked I simply got a response that “[t]he warnings and the radar in RainToday are not available for the USA. That’s why RainToday is not available in the US store.” I guess they didn’t want to deal with the support load of people buying the app and expecting it to work in the States.

        ¹ Dark Sky’s rain alerts don’t work in Europe, but that doesn’t even matter any more because the world sucks.

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      Well, France’s too! Well, partially. And it uploads every contact to the server officially for some false reason and it’s the server that is supposed to do the filtering.

      In any case, such applications have pretty much failed: distance measurement across BLE and phone models is too unreliable, they cannot take airflows into account (you’d be “in contact” with your neighbours even though you’re well-separated from them while it wouldn’t spot anything across A/C which is able to spread diseases very far away), it does nothing for actual physical contact (contaminated hands), … Look at Singapore, China, … and Germany which has had a very good track record while not having such an app until now.

      These apps are useless but far less expensive than proper wages and equipment for healthcare workers. They’re only meant to create diversions and show that $governement does $something, whatever that is.

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        distance measurement across BLE and phone models is too unreliable, they cannot take airflows into account (you’d be “in contact” with your neighbours even though you’re well-separated from them while it wouldn’t spot anything across A/C which is able to spread diseases very far away), it does nothing for actual physical contact (contaminated hands), … Look at Singapore, China, … and Germany which has had a very good track record while not having such an app until now.

        Well, it’s true that it cannot help with what you mentioned, although, without the application, how can the persons that were in the same bus, train, etc, that I don’t know? To me, the whole point of this app, is to help connecting people that don’t know each other. Sure it won’t match many important situations, but maybe it can help with others?

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          Sure, but it turns out that people don’t spend that much time in crowded public transports and they don’t talk to people they don’t know. These two facts combined with masks reduce contamination rates and (that’s the most recent generally-accepted stance on the matter afaik). Plus, iirc, the apps don’t work as well as people doing contact tracing (as shown by Austria I think).

          So these apps could help in theory but in practice they’re not actual solutions and don’t actually help.

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        Given that China, the country with the highest level of population control, is having difficulties controlling the outbreak, I doubt a little app will do much. That is, other that damaging privacy.

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          That is, other that damaging privacy.

          Experts (at least some) seem to be positive about such means, if they reach +60% of use (which is probably not going to happen, unless Facebook app does it instead…).

          Although, isn’t the main duty of a State to exchange liberties from individuals, against something else (security, equality, etc…)? These apps seems to leak a very small set of personal data (which you probably already leak with your bare phone with Facebook). I feel that the main thing to be careful with, is the next ones as this app sets a precedent.

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            Experts (at least some)

            That’s the key, really. During this COVID pandemic we’ve seen all sort of experts express their opinion just to be proven wrong by time, so we can pick and choose which experts to listen to.

            I used as an example China as it recently had to bring a partial lock-down again in Beijing after an uncontrolled spread of COVID started. If China can’t control it, I highly doubt we can do anything remotely useful in the western world.

            I feel that the main thing to be careful with, is the next ones as this app sets a precedent.

            That’s precisely what I was alluding to. I fell this dangerously normalizes the idea of being officially monitored by the government despite having committed no crime. How long before refusing to install such applications becomes a crime itself?

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              That is a bit limiting view, I think. The app won’t stop the virus spreading, that’s clear. Nor will the masks. Or 1.5 meters distance. But the effects of many of these things are at least partially cumulative. And as for monitoring, I’m already monitored anyway. By a lot of companies that aren’t even German. Without my consent or knowledge. At least the German government will try to help majority of people with the info gathered. And e.g. Facebook won’t help anybody but themselves.

              There are downsides of government monitoring me. There are also upsides. I would want the downsides limited and monitored. And in Germany, unlike in, say, USA, this is at least partially true.

              But I digress, I think monitoring can be useful and isn’t a total waste of effort, and at lest nominally has a decent goal. It can’t stop the virus. But it is useful.

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                Is a lock down not a means of controlling something? What do you mean by “can’t control it”?

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                  In my view, the purpose of those apps is to avoid having to lock down a city, as you can target individuals instead.

                  So the fact that they had to lock down the city means the app failed at that.