In my opinion, The simplest and most effective way at this time to promote and distribute a new coin is to create an ANN topic on this forum and launch airdrop, bounty campaign.
Yes, and for the topic of ANN there is also a sub forum bro, you can immediately see it here
https://bitcointalk.org/index.php?board=159.0 because in the sub forum there is a lot to discuss about ANN from new coins and old coins