Computer

1. Scanner

1.1. Photos

1.2. Documents

1.3. Papers

1.4. Books

1.5. Receipts

2. Challenges

2.1. Bad OCR

2.2. Bulky

2.3. Comunication loss

3. Input< >Output

4. Printer

4.1. Reports

4.2. Pictures

4.3. Recipts

4.4. Lessons

5. Challenges

5.1. Running out of paper

5.2. Running out of ink

5.3. Paper jams