<html><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:10pt"><div><span><div>It would have been nice if the mailing list has signature something to inform how to unsubscribe.</div><div> <br></div></span></div><div>Don<br>Chunshen Li<br>Founder, Knowledge NoteBook, LLC<br>3164 Berry Lane, #119<br>Roanoke, VA 24018<br>donli@knowledgenotebook.com<br><br></div><div>http://www.knowledgenotebook.com </div></div></body></html>