It’s the top tool of today, which could be evil and good depends on its usage. If the good aspect is more developed, it would realise its infinite possibilities.
Anti-virus software should be more developed.
It would be nice if it works without electricity.
Faster communication than optical networking should be researched.
It would be nice if computers with fewer burdens on eyes are developed.
Breakdown (because of natural/human disaster) should be more reduced.