I Recommend to you try this messanger https://telegram.org
You can create bots. Bots will answer questions to people of your subject when you are not in the network.
If you have a business and a friend of a programmer, you have a chance to ride the new trends - bots.
Or you can learn to make their by your own, the main is desire.
I also recommend to you learn this item to creat really greate Bots https://doc.corezoid.com
Keep your eyes on me, soon i`ll make some videos about.
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