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As Bob Barker would say:

"Help control the kitty population. Say no to spam!"

... something like that, I think.

Hello nonameslefttouse.
I write a Steemit service project. You can participate in a beta test if you reply to this message with a either "@username" or "?username". Replace "username" with any one steemer username and add nothing else to the reply. And @ and ? do something different. Only ever second username will work at the moment, though, you you may try two names.
Thanks!
PS if you like it, give me feedback on what to improve.

Feedback? Improvements?

Flagged for cat murder!

Just a small one. Please don't spam my blog. Thank you!

Okay nonameslefttouse,
"eedback? improvements?

flagged for cat murder!

just a small one. please don't spam my blog. thank you!" is not really a steemer username.
(Or I do not have it and you should try another name.)

You're obviously on something.

kk, I see. Don't reply if you don't want blockchain information - the response is automated (and will also come to this post).
Take care!

Don't spam if you don't want flags!
Have a good day!