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Have you noticed when you copy text from certain sites lately you get an extra URL bit added to your paste? Well that's Tynt, the Copy/Paste jerks.
Tynt, the Copy/Paste Jerks. Friday, 28 May 2010. Over the last few months I've noticed an annoying trend on various web sites, generally major newspaper and magazine sites, but also certain weblog...
Antti Luoma's profile photoTravis Blair's profile photoJohnny Malloy's profile photo
I was wondering why my copy/paste worked normally on the example sites. Turns out I already had Tynt blocked in my hosts file.
Interesting. I didn't bother to look at exactly how they do it but from what you are saying it sounds like they host the javascript.
From the post:
What I’ve chosen to do is edit my /etc/hosts file to block access system-wide to the server. This is the server from which the Tynt JavaScript code is served to all its “partners”.

That's nice of them. Hosting the crap in one place makes it easier to block their shenanigans. Mwa-ha-ha!
I guess I just exposed myself for not reading the entire post, heh.
+Johnny Malloy I've experienced the same thing. One shouldn't have to know how to break down web sites to avoid this, but I will say I was impressed that it's possible. I thought copy/paste was just something recognized on my computer.
+Travis Blair It is recognized only on your local computer. Just ignore me if you already know this but I thought I'd mention: Javascript is a programming language that is downloaded alongside the HTML. It runs programmatically on the "client" side which means it can tap into what you are doing locally, including downclicks and upclicks, selecting text and even the exact cursor position as it moves by coordinates. There are entire companies who provide scripts that track and store user behavior data on websites this way, building "heatmaps" in an attempt to see exactly how people interact with web pages.

Since js is programmatic, when you do one of these capturable events, like "control-c" to copy, they can have a program "handle" that event and send a server request out behind the scenes. So they are actually making an outbound call to their server when you copy and then they are inserting copy into your selected text.

I agree one shouldn't have to know any of this. That is why in the original post the blogger calls them jerks.
Yeah, I just did a brief search, and I don't block anything locally so I don't use either of those. So I am glad you looked into it and mentioned that here +James BlackHeron. I was just using those as examples. Really you ought to do what +Antti Luoma did and edit your hosts, but that's kind of a pain for people who don't want to manage a hosts file.

A lot of these add-ons piggyback self-serving purposes. I read yesterday on reddit that an add-on (don't remember which one) nefariously sends referral requests to Amazon.
I would assume you could block sites in your browser settings on a chromebook as another alternative. Also annoying and time-consuming but a potential solution.
Thanks for the info, +Johnny Malloy! I'm not as computer savvy as some others you know, so I appreciate the eff-why-eye.
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