Fill in the gaps with appropriate prepositions :

Social network is a network for virtual social interaction (a) ______internet users across the world. Actually, this is an age (b) ______  globalisation. This is also an age of information and technology. People all over the world are virtually connected (c) _____ one another (d) _____ the borders. Hence, the necessity of social networks has emerged. But the young generations are getting addicted (e) _____ social networks (f) _____ Facebook, Twitter, Instagram etc. The lifestyle of the young before and after getting used (g) _______ a social network has a noticeable change. In fact, the students who were used to studying at the table before, nowadays pass their valuable time by chatting (h) ______ the social media. As a result, they are now lagging (i) ________ . So, they should be kept aloof (j) ______ using internet excessively and unnecessarily.