Yes, you. What relevance does your existence have on others?
If you want to be relevant, serve God, acquire knowledge and get correct information at the right time.
Don't be lazy, seek for wisdom from God by reading the Bible and meditating on the word of God.
2 Timothy chapter 2 verse 15 - Study to shew thyself approved unto God, a workman that needeth not to be ashamed, rightly dividing the word of truth.
Universe is an open book, take advantages of Internet in this information age to develop yourself so that you can have good influence on others.