c) The FaceBook, Twitter, Hi5, etc can become a stumbling block.
1 Corinthians 8: 9-13 9 But take heed that your freedom does not become a stumbling block to the weak. 10For if anyone sees you who have knowledge sitting at table in an idol's temple, the conscience of him which is weak, be emboldened to eat things sacrificed to idols? 11And through thy knowledge shall the weak brother for whom Christ died will be lost. 12R thus sinning against the brethren and wound their weak conscience, you sin against Christ. 13For which, if food makes my brother stumble, I will never eat meat, so as not to offend my brother.
Perhaps things to publish or we show online are not sin, but we must remember that there are other brothers whom Paul calls "weak conscience" who probably what I publish them can affect (for example, a photograph that lends itself to a misunderstanding, etc) in these cases is best obtained to do so for their sakes.
We must also remember that Jesus warned us not to be stumbling blocks. (Matthew 18: 7)
d) They can become an addiction
1 Corinthians 6: 12 12Todas things are lawful for me, but not all; all things are lawful for me, but I will not be mastered by anything.
How many hours pass connected to FaceBook, farm or playing any other game?
You could spend a day without connecting? - For many the answer it is a resounding NO, but is not it true that we can spend days and even weeks without connecting to Jesus through our Bible reading and prayer? - Our time with God is more important than any social network than anything else, we should not let anything dominate us, the goal behind all the things the world offers is distract us and make us lose our focus on God.
A tip: Many serious cases better offer God a fast Internet, mobile or television rather than a fast food.
e) All things are lawful, but not all things edify me
1 Cor. 10:23 23 Todo is permissible, but not everything is beneficial; Everything is permissible, but not everything is constructive.
Paul reminds us that in Christ we are free to do anything (except sin), and that when we are in situations of doubt between whether it is sin or not, we must ask two questions: Should I? Can I build?
Before posting anything on the internet, we should ask ourselves what this I'll write is convenient, I builds or builds others? - I assure you that if we spent this filter to our FaceBook profile (to name the most popular) probably would have to erase much of the photos and messages have there. It is not true?
2 questions for reflection for those who are parents and have children who use social networks: