Visibility - No options to make the text larger as its too small even in full screen view. Plus the option of making the screen white as the
Skype layout is cleaner as you can have the users on the call, the message window is also visable and the screen background is white in meeting presentation mode. You can also increase the visibility of the font size. User ability options need to be improved. My eyes struggle if the contrast is not light - so there should be an option.