Poor User Experience

I have been using VitalSource for the past 4 years and even though they have made upgrades, the app seems to have only improved marginally. I attempted to use VitalSource for several Financial, Economic, and Quantitative books and the annotation function for formulas and side notes is extremely difficult to work with. VitalSource becomes extremely "glitchy" when there are multiple ebooks on the bookshelf and it becomes even more temperamental when attempting to make annotations. The ebook is hard to read and is of poor quality more often than not. I have found that having a hard copy of the book is worth the difference in price than trying to utilize VitalSource. I have often had to borrow the hard copy of the book from a friend or go buy a hard copy if VitalSource decides to be glitchy.

Phill1231 about Bookshelf