As a new editor you may be wondering, "How can I help?" and be overwhelmed by the extent and scope of the entire Wikipedia project.
An introduction for new contributors is available at Help:Getting started which provides a self-guided road map of tutorials, introductions, training topics and other resources allowing you to learn more about how you can help improve the Wikipedia project.
Do you know the CC BY-SA/GFDL License inside-out, and have thousands of edits to your credit? Are all those copyright disclaimer warnings starting to bug you? Add this to your (pick one): vector.css (default), monobook.css, modern.css, minerva.css Skin (or add it to your common.css to hit all your skins):
/* Remove to-me-useless notes in all edit boxes. leaves only the command buttons and special chars. */
#editpage-copywarn { display: none; }
#editpage-copywarn1 { display: none; }
#editpage-copywarn2 { display: none; }
#editpage-copywarn3 { display: none; }
div.editpage-head-copywarn { display: none; }