1. christians website
the christians today dont longer visit church website as they log in to social median daily.

2. christians home
today we hadly find christians video or music in the so called christians home, rather what you will see is terry g music, p sqaure and so on
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3. christians phones
the so called christians don't longer download gosple music on their phones and some of them dont go to church with their bible rather they now uses iphone e.t.c i wonder how pastors will be using phone to cast out demons.

4. politice in the church
some christians in today church dont longer take the things of God serious but they are now after how to occupy the higher position in the church in other to make money and satisfy their wants. some dont mind commiting evil in as much as they occupy the so called position, forgeting that our aim of going to church is to make heaven.
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5. christians dressing
some believers cannot be differentiate from unbeliever because of their mode of dressing inside and outside the church, although some pretend to dress good to church for their pastor to see them as good believer.

6. holiness in the church

according to the bible, church is regarded as a place where God dwell and God cannot live in a place where there is no holiness but in today church the reverse is the case.

with this few point of mine i have been able to bring out some area where today church has not being doing well. i don't mean to insult anyone so you are free to add yours

Thanks for this post OP