Like Gela, I've also written directly to posters through the private message area on Trip Advisor. By the same token, I've had people write to me. In this regard, I think TA works quite well.
I've made at least one hotel report and it was on a hotel in Madrid. I'm inclined to make another good report on a hotel in Jordan, a candid favoring good report on a hotel in Wadi Musa (Petra) and a real miserable report on the misery of my first night's stay in Amman. You guys have got me to thinking that it is almost my (web) civic duty.
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A fish and a bird can fall in love, but where will they build their nest?