Internet has a very vital presence in our life. if you are working in any field you need it not just for your domestic life but also for professional life. if you want to stay in race you need to know where you are in present time for that you need a medium what guide you accordingly that is what internet do indeed. safety is priority as per my thinking. safty in sence not just be safe from viruoses but also be carefull from all kind of deeds what could harm you, all those things comes free with it.