From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
Delores Vickery is the "chambermaid" who first sees the ghost of the woman in 217. According to Halloran, she has a slight shine, but isn't a very nice person. She's mostly a plot device to broaden the discussion of shining and to confirm the existence of the ghost in 217.