It sure sounds excessive. Setting a session cookie after an edit has been made by an anon might[1] be quite cheap in reality, or at least cheap enough to justify the cost. Privacy wise it also seems ok, but I might be overlooking some things on that regard as well. --Martijn

On 2014-05-21, 3:29 PM, Brian Wolff wrote: been be To be clear, we set a cookie on submit of the edit page, whether it results in an edit or not, but not on visit. But that is essentially what Martijn described. ~Daniel Friesen (Dantman, Nadir-Seen-Fire) [http://danielfriesen.name/]

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Hi David, I am delighted that you are interested in extending the Thanks feature we released last year, so it can be used to thank more users. I am no longer working on this project, but am not aware of any changes that would make it easier to thank anonymous users: IP addresses are still as unreliable now as they were a year ago. But I have Cc:d Danny Horn, the new product manager for core features like Flow and Notifications, so he can chime in from his viewpoint. Personally, I would love to see the Thanks feature be used even more than it is today, as it seems like such a civilized way to show appreciation to each other :) Cheers, Fabrice On May 20, 2014, at 7:56 AM, David Gerard &lt;dgerard(a)gmail.com&gt; wrote: On 20 May 2014 15:35, Strainu &lt;strainu10(a)gmail.com&gt; wrote: I've recently noticed the "Thank you" feature is only available for signed-in users, while anons cannot receive "thank yous". The anonymous users are often the ones that would need encouraging the most, so it would make sense to me to have this feature available to them too. Are there significant technical problems against such a change? I asked for this on the editor engagement list too. Fabrice said: [1] "Sadly, we couldn't make this feature available for anonymous users, as you have to be registered to receive notifications right now. This is because IP addresses cannot be trusted to deliver notifications to the users they were intended to. I don't expect we'll change that anytime soon. We should all encourage anonymous user to register if they want to enjoy the same benefits as other members." Fabrice, is this still the case? Are there ways around this? * I suppose session cookies for anons just to possibly thank them is a bit excessive. * Could limit "thanks" to a short time after the edit (limiting either sending or receiving). Any other ways we could implement this with minimal false-positives on thanking people? If that's considered a problem :-) - d. [1] http://lists.wikimedia.org/pipermail/ee/2013-July/000525.html _______________________________ Fabrice Florin Product Manager Wikimedia Foundation http://en.wikipedia.org/wiki/User:Fabrice_Florin_(WMF)