Ways of attracting subscribers to the group?

Hi!

Recently began to notice a lot of closed groups in Instagram (mostly they are closed), from which 100, well a maximum of 200 posts and the number of subscribers from 1.5 million or more. Please share your opinions with what can be related to such success? What are the model on this quick and effective to attract subscribers?

Here is an example of the group - https://www.instagram.com/wildphysics/?hl=ru
There are other subjects.

Know the different ways of promotion groups, but then can't track patterns. They even have many posts, no signatures, no herzegov.
April 4th 20 at 00:46
2 answers
April 4th 20 at 00:48
cheat

well, you can dream up to look legal
Can't kiantajarvi as legally possible so to cheat your account to the numbers.

Dark methods as I understand, but at the same inst hard bans.

The question remains open:) - raphael commented on April 4th 20 at 00:51
April 4th 20 at 00:50
Normal activity to close the page, she's a hundred

Find more questions by tags MarketingSMMInstagram