Social media presence as in having accounts in your name with you being visible in the profile picture in mainstream sites (Anything Meta, Twitter, Snapchat, Tiktok…). I don’t consider anynounmous accounts on Lemmy, Reddit, Kbin relevant to the scope of this question.
The only thing that Social Media has given me I have a hard time living without us FB Marketplace
And that’s just because people have mostly moved to selling stuff there. I miss Craigslist