What is it doing.
Nothing as fancy as chalk drawings of Jesus. But we will gather for corporate worship of the risen King. Sing His praises. Hear an exposition of Matthew 28:10 that will last about 30 minutes. We will confess our sins. Hear an assurance of pardon. Pray. Feast at the Lord's table. Be sent out into the world to live our lives in a way that glorifies God and all that it entails.
How many people have you invited to church?
What exactly are you looking for here? Generally I don't invite nonbelievers to church. Church is not the place for evangelism, but rather the goal. Church is the place for believers. It is my job to witness to the world what Jesus has done. We are not told to take the easy way out and just invite people to church.
That being said if someone is asking for a church I will invite them. If I meet someone new to the area I will ask them if they are looking for a church home. If there is a skeptic that seems to be swaying I will invite them. I will invite those with questions. But I will not invite those who are openly nonbelievers.
How many have I invited? No idea. I don't keep notches on my Bible.
“What exactly are you looking for here?”
Don’t lump all ‘mega-churches’ into one lump. I attend a large church. It has powerful Spirit-filled services. It is large because people are spiritually fed, have experiences mighty miracles and breakthroughs in their lives, and as a result have invited their family and friends.
Many ministers have been spawned from this church as well as global ministries.
God moves in mega churches, down to home churches.