The website I have, in the main provides information, It needs people to help provide that, but it is not something that I would expect to get a lot of posts from one person. I would prefer that people just gave the information without bothering to register, however at the moment guests cannot comment so I am using a contact form. The reason for the "like" is just so we can see which are the most popular places. I know this seems vague, so please have a look at the site wateratairports.com
Why give a guest voting options ?
Sorry, but i don't get it.
Yes, agree with you.
I need users base and not gusts that come&go.
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Giving guest ability to like is not good not recommended.