Data & Data About Data - When pasting into a gchat window

This morning I was doing research for a friend.  Found a useful piece of info embedded in the webpage.

I copied from the webpage and then pasted into the chat window in gmail.

What got pasted is shown below.  Notice the "Read more,"  somewhere along the chain the browser and gmail working in nice harmony decided I wanted to share data about my data.  Which frankly though I did not ask for explicitly with my keyboard commands, in the end I am glad they enhanced by data in such a way.

Did this only work because I was running gmail within chrome? 

       Windows 7's location-aware printing allows the operating system to automatically switch your default printer as you move from          one network to another.

       To set this up, first click Start, type Devices, and click the Devices and Printers link.

          Read more: http://www.techradar.com/news/software/operating-systems/85-windows-7-tips-tricks-and-secrets-643861#ixzz137AbKdi5