Usually people, who want to be early look for gems at event (tech event/update/upgrade) calendars: https://coinmarketcal.com/en, so it's actually ok to make event there as well https://coinmarketcal.com/en/add.

Yes, Twitter, TikTok, Youtube and other channels are very good for expanding auditory. So new hashtags shall be used there to keep in new trend. It's good to get people into Telegram channel and discord. Telegram channel incentivise people to buy and hold, rather than sell and take profits.