You know something I'd love to see for fandom? A service or online forum boards for finding fans or fics/fanworks from a long time ago. When you wonder "Whatever happened to sailorscout86 from LiveJournal?" or want to find an old fic you remember or give credit to a fanartist for a work of theirs that's still on an old harddrive you kept in 2012 or see if that filk writer ever did anything else, you could go on this website and either search for people by pennames/pseuds or for the piece of fanart, and if they had listed themselves there you'd be able to connect online via current pseuds or whatever they're working on now.
Participation would be strictly on a voluntary basis and you'd only ever have access to what pseuds or info the people joining themselves choose to list, so no one would get outed as having written That One Messed Up Fic ten years ago or whatever and you wouldn't have to worry about your job finding out about your high school fandom habits.I know anonymity and the right to disappear and be forgotten are (or should be) fundamental on the internet, but in fandom spaces in particular, people make friends that leave an impact and yeah, sometimes people want to leave a space and start over in a new one...but I feel like as time passes and you start to realize how much these people left a mark on you, having an option to let people look you up--and remaining pseudonymous, definitely, just letting them know what your current names or fandoms/projects are--could be a really nice way to use the internet for good and to connect people again instead of using it to fight with strangers.
I know it's an outdated and pie-in-the-sky kind of wish, and fandom identities are purposely ephemeral...but wouldn't it be nice if there were a middle ground where people could connect to old friends or their works on everyone's own terms?