As there are advantages, so are there disadvantages. One of its main disadvantages is that it makes man so weak. Machines and computers do all the work. The man has to just sit and feed in data and work on the computer. It's a lot easier to handle things but in some ways it's not good for us.
People get so much used to Internet.
It's just like an addiction. Its is good in a limit and if used in a proper way. Its could be bad if used excessively and in a wrong way. Technically, all industries are now dependent on the computers for everything. If the system goes down, they lose everything and can't access anything until it's up again.