I second this. The flickering textbox is really distracting and annoying. Also I'd like to add, you need to be careful with the colours chosen for peoples names in the text box. It's really easy for names to become hard to read against certain backgrounds
On the topic of the textbox, because of the way you have it set up, it makes the history function nearly useless. You have to scroll through all the empty space caused by the textbox coming and going