I don't know about communication, I've only gotten one response and that was the evp I recorded. And technically I've not seen a ghost, just seen events caused by a ghost. To someone who doesn't believe in them it sounds far fetched, I know.
To each his own..... I know a few people that believe in ghosts, but until I see one I reserve the right to be skeptical about it. Remember how the government trick us in believing that we landed on the MOON, just saying........