Nowadays, with the globalization, the people are more connected than in the past. Internet has became in one of the most important tools, therefore social networks are now a common form of comunication.

But, those could have some advantages and disadvantages.

Firstly, twitter, facebook, instagram,...are useful to meet people around the world. However, you only can see their virtual profiles and sometimes, those are false. You can´t be sure.

Secondly, you can upload your photos and videos on the internet. You can make videoconferences with your friends and your family although they´re in a different place. You can make a virtual interview with a future boss, or you can write your opinion in a newspaper article. It´s wonderful, but it isn´t totally safe. Because this information can be see by million of people. 

In conclusion, the social networks can be a good tool for us but we must be careful, because they could be dangerous if we didn´t use their well.