I think about this from time to time. Today, a friend from HS posted a pic of her son ready to go to kindie -- he uses a walker. She'd posted recently about him being hospitalized, but it wasn't until I saw his pic that I realized she's almost certainly in a SN situation.
Sometimes I consider posting something -- not sure exactly what -- on FB about DD1's dx. Pics aren't really an issue because there's nothing physical that says she's autistic. But even though we've been upfront with family and some friends, it feels like there's something very different about putting it all out there on FB for people I haven't talked to in years and may never see again in my life. I also sometimes wonder if it's "my" info to share, KWIM? Even though obviously DD1 is still a small child, and it won't be her choice whether or not to share her dx for some time. And it's definitely a big part of my life and our family's life.
I've thought about blogging. More for myself than anything else. But I get caught up in a lot of the same issues, and mixed feelings about putting real names and/or pics out there vs. pseudonyms (always tricky considering the stuff I've seen happen on TB/TN) and in wondering if something could come back to bite DD1 someday when she's old enough to care about it.
So there's the choice to say nothing online (except here) -- but at the opposite end of the spectrum, there are people like Kelle Hampton who basically make a living from blogging about their lives, SN child included. I know I browsed a lot of RDI/autism blogs when we first got our dx that were really helpful in reading about other parents' experiences, and I like the idea of contributing something to that in a small way.
I dunno, just curious to hear other people's take on this stuff.