1.a. Reading Time
Number of device per day (2)

b. Highlighting/ Bookmarking – not acceptable as printed books also have
Brightness adjustment (1)

2. Account System, Synchronizing
Will be granted full mark for additional information such as clearly explain the synchronization process (5)

3. Lack of IT Terminologies

4. The answer is somehow not on the right direction.
Explaining about parental control for children
Positive+negative is not discussed
No conclusion whether Cobb should go with the development or not, thus no judgement/justification has been made