CuePrompter.com - The Online Teleprompter FREE

CuePrompter is a free teleprompter/autocue service. Your browser works like a teleprompter-no extra software needed.
You bookmark the CuePrompter site and come again when ever you need teleprompter services.

David Demyan and Bluecowcreative have an excellent video tutorials on YouTube.

It doesn't look fancy but it works.