Cybercards are most useful for
o
o
keeping a personal diary
writing to-do lists
tracking internet-based research
creating new inventions
st
e

Cybercards are most useful for tracking internet based research

Option C

Explanation:

A cyber card is defined as a Visa card which can be used to make online purchases in the internet. This is a completely virtual card with a standard credit facility.

It is a safe card because even if the cyber card is intercepted, it cannot be used in any shops or stores. Since it is a virtual card, the transactions will be recorded online, thus enabling people to track the transactions of the card and for internet based research.

the correct answer can either be a or b because it could be both but you should probally choose b