One of your friends just posted a less than complimentary comment about a politician. You reply back with a similar comment. This touches off a mini-flurry of comments and links that are all centered on the stupidity of anyone even thinking that there may be something good about this person. You sign off with a few emojis thinking it was a good exchange. Is there a problem here? Actually, there is. The problem comes when interactions on social media are viewed as private exchanges between you and the people you are responding to. But that definitely is not the case. For example, say there were 5 people that participated in the news feed exchange mentioned above. This means that potentially several thousand users might see what you have written. At least some of those people might have a different take on the politician who was roasted, sliced and diced. They figure out that those posting all claim to be Christians. The casual comments made in jest become a negative testimony about Christianity. You won’t have the opportunity to explain your comments and emojis because you have no idea who saw them. This is not a good thing.
In Ephesians 4:29, you are commanded to say only those things that are helpful so that those who hear, or see, your words will benefit from them. The truth is that you and your faith are always on display, especially in the cyber-world of social media. Think carefully about the things you post. A newsfeed post is not like a text or an email where you can identify specific individuals to receive your comments.