How can I change the "You have guest access to..."

Question:

I would like to change the text that says "You have guest access... at top of pages for guest users."

Answer:

First go into the Control Panel under General Settings/Presentation and uncheck the box next to "Show You have guest access... at top of pages for guest users."

Next, in the "Banner" section of the control panel, enter something like:

%% if userIsUnknown %%
Your new Guest Access text goes here
%% endif %%

Similarly if you want to change the location of the message, you could for example put it in the Footer instead to have it appear at the bottom.