Advantages:
- Reduces weight of carrying books around
- Access to an entire library in your bag
- cheaper than tablets
- long battery life
- wi-fi
Disadvantages:
- If lost, you not only lose one book, but potentially, hundreds of books and notes
- no page turning sensation
- does not include many other features that tablets do
- may be too small for some to read comfortably
- one more gadget to carry around
