An overhead projector is required to display content on transparencies. A transparency is a thin sheet of plastic in which light is reflected upon to display content.The light source emits light towards the transparency and then the image is displayed on the wall. Usually, this light source comes from below and lights upward and so the content is depicted above or overhead.
Not really is she wants the words that she's typing down sometimes it's not necessary to leave it to the auto correct It can always be bad when re-reading it again.
She would make use of JavaScript if she wants to make it interactive, CSS if she wants to design it, Text editor obviously for coding the blog and a web browser for the result hope this helps
