One of the best features of the new Android OS 6.0 is Google Now On Tap . "Now on Tap Allows Google to scan the screen whenever you open it, automatically guessing what you want to search for and providing you with more information.".
I was reading an article in the NY Times about the upcoming elections. The article featured Gloria Steinem, Hillary Clinton, Madeline Albright and Bernie Sanders. By tapping the the Google Now button (the center button on my phone) I received the following from Google Now screen On Tap.
Now On Tap Gives me the opportunity to explore specific information about anyone of the three personalities. In my case I wanted to know more about the quotes of Madeline AlbrightI recently used Now On Tap while listening to a play list on Amazon Music. I was listening to Spyro Gyra. I can now go to their website or watch some Youtube videos from Google Now On Tap.
How To Geek has even more information on Google Now On Tap