Cash, that's Buffy's room. She has lots of followers and they all use tick charts. If you want to see live tick charts there are loads and loads of them trading mostly ES, some YM and Eur.
You will also see time, volume and range as different traders have different set ups.
Re tick you'll see different sizes according to different traders multiple chart set ups and data providers.
Loads of different indicator designs, some naked traders, Gann, Elliott and whatever all thrown in with loads of tick charts etc.