The internet affect our lives in many ways. Example:-
We can learn via the internet (classes), we use it for research and information, banking and investing, communicating with others, entertainment, download music, share information and most importantly SHOPPING!!!!
Those are advantages and it's really good. However, there are drawbacks whican can affect us negatively such as violation of privacy, public safety, health risks, impact on environment and also the labour force...
Depending on the situation. the internet can affect our lives in a good way as well as in a bad way.