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!
By Goblet of Fire, we don't really know why the Dursleys insist on giving Harry Christmas presents – they might as well save themselves the effort. In Book 4, they hit "an all-time low" by giving Harry "a single tissue" (23.49). The simple fact that the Dursleys bother to send Harry a single tissue, rather than just ignoring him entirely over Christmas, suggests that their gift-giving is meaningful. We just don't know what it symbolizes yet. We'll just have to keep reading the series to find out!