Exactly true. I use chrome as my secondary browser. I have max 5 tabs open. But my primary workhorse(firefox) has close to 30-40 tabs. I need to jump from one

Exactly true. I use chrome as my secondary browser. I have max 5 tabs open. But my primary workhorse(firefox) has close to 30-40 tabs. I need to jump from one to another trying to solve a problem. I will be able to close those tabs only when i am done with the debug. I guess clean slate is for people who have written their own tools and use.