"Moss always grows on the outside of the tree"
We all know Moss grows in the basement with Roy.
I don't want to be another "Me, Too" but here are some things I've done that work that don't require annoying, hard to read CAPTHCA images:
There are probably more advanced methods (e.g. checking headers, cookies, etc) to detect common bot attributes, but I haven't spent a lot of time researching my spam for that.
Most of the off-the-shelf bots are made to perform well on typical forms. If you do something atypical or actively respond to new spam techniques, you can very, very easily defeat a spam bot while investing minimal time without annoying the shit out of your users with CAPTCHAs they can't read.
CAPTCHAs are the worst usability anti-pattern and they need to go away.
Is the bill not itself guilty of demonstrating an intolerance of diversity by attempting to prevent someone with opposing views from speaking about those views?
Theory is gray, but the golden tree of life is green. -- Goethe