Twilight chuckled as she looked down at her journal.  Already, she had written several pages of notes in black ink on ways in which the spells King Sombra had used might benefit ponies, while other pages, filled out in red ink, listed potential research projects that the Princess might have in mind, along with best ways to approach them.  Since in neither case did she have any salient facts, it was pure idle speculation, no more useful than Pinkie Pie’s crystal ball.