“Promo SM” has two possible meanings depending on the context:
PromoSM: This could be the name of a specific company or platform related to social media promotion. Searching online for “[PromoSM company]” or “[PromoSM platform]” might lead you to their website or information about their services. However, there’s a chance it’s a smaller or less well-known company, so results might be limited.
Promotional Spam on Social Media: Promo SM could be a shorthand way of referring to “promotional spam” on social media platforms like YouTube. This could include comments left by bots or automated systems that promote a product, service, or channel, often in a generic or irrelevant way.
Here are some clues to help you determine the meaning in your specific context:
Source: Where did you encounter “Promo SM“? If it was in a YouTube comment section filled with generic promotional messages, then it likely refers to spam.
Context: Was it used in a professional setting or by someone you know? If not, it’s more likely to be spam.
If you’re unsure, it’s best to avoid engaging with anything related to “Promo SM” if it appears to be spam.