In a #bivisibilityday2020 thread abt bi erasure/invisibility, it's worth noting that the unbelievable inequalities suffered by bisexuals in sexual violence, domestic abuse, mental health, addiction, & sexual health weren't even know until pretty recently.
Why not?
1/2 https://twitter.com/llantwit/status/1308838006216888321

Cos until recently (and this still goes on) researchers didn't even collect data in a way that separated bisexuals out from lesbian and gay ppl.
Not being seen as a distinct group means our distinct oppressions were just invisible.
Now *that's* erasure. https://twitter.com/llantwit/status/1308838007902961666?s=20

This is a problem called "lumpy data", covered by @BiCommunityNews* all the time.
https://bicommunitynews.co.uk/4669/canada-adds-bi-health-data/
It's also outlined in The Bisexuality Report:
http://www.bisexualindex.org.uk/uploads/Main/TheBisexualityReport.pdf
*Btw, if yr bi, subscribe to BCN - it's nice to be "seen" by media we read, and they need our support.