In the past, people used to write and do home works without the assistance of the network. However, as the years went, there were many technological developments and it brought some modifications in the teaching sphere
well,I think this is not the part of the question. You are not asked to draw comparison in the past.
in present the internet is in majority of spheres, actually, it is almost everywhere.
This contains run-on sentence.
the most of things depends on a learner
Read this sentence aloud. What do you feel about it? Sounds strange?
You conclusion does not cover the broader topic. So start writing this:
In conclusion, the internet has both advantages and disadvantages ..., next your sentences...