People often do that here, with a new username and/or being vague about what their idea actually is. If I, tdoggette, was working on something like Twitter, th

People often do that here, with a new username and/or being vague about what their idea actually is. If I, tdoggette, was working on something like Twitter, the "Ask HN:" thread would be "somehandle" asking HN about a startup that takes input from many users simultaneously and shares it with other users that I'm thinking of writing in Ruby and have no idea how to monetize. I'm not advocating it, but it's certainly done.