And then, getting even deeper into the nerd stuff...
It's a browser for your browser.
And here's a late breaking story about the first security problem with the new Yahoo browser.
There are billions of people and a version of normal to go along with each one of them. No two versions are exactly the same. There will be hundreds of thousands of little things that make up your version of normal. With any luck you can find people that have close to the same idea of what normal is that you do. These are your friends. Anyone else you try to tolerate as best you can. .... The exact definition of normal depends on who's running the asylum.