Robocall claimed I had won a free Bahamas cruise if I completed a green study survey first. If you answer and wait — don't speak at all — the robocall will ask for clarification and ask you to say "no" if you want to be removed from their list. Not sure if this was really a survey or a telemarketer. Didn't wait to find out.
Called twice today. First time was in morning - no message. I added the number to my call blocker and the second time they called this afternoon it went right to the blocker. I won't answer any calls that are not in my contacts. SCAMMERS!