These two companies are SCAMS. Recent reports of many, many companies paying marketing groups to utilize different IP addresses to file 4 and 5 star reports. Both are in serious trouble for not reporting rapes at resorts in Mexico and South America, or failure to report food poisoning in restaurants. Many restaurants and other merchants pray on tourists around special events such as the Olympics by hiring these marketing groups to file false favorable reports. Do your Google research. I had two restaurants in my home town both had a 4-star rating: Double Front Chicken and Kobe Seafood & Steak. Both were horrible. Bad food, poor service, expensive for what you got etc. I was so pissed and when i tried to file a report i was told does not meet our standards. They wouldn't provide what standards i didn't meet? I have a couple friends who work in marketing and they said Yelp and Trip Advisor are the worst. If they have a high ranking business advertisers will pay more money to advertise on their page. So guess what, they don't allow low ratings on highly ranking businesses. And, when you acknowledge that a lot of these companies have false reporting, you have a rating service that is fraudulent. Sort of like TrustPilot where you can have any negative review removed..