with 2000+ reviews i think its about time to have i chat channel.
it is very simple to add one to the website.
Register your channel
(it can work without Registering but i think that is not a good idea)
Use a Network that has a webchat (Most IRC networks have a webchat.)
add an iframe.
for example :
<iframe src="http://webchat.quakenet.org/?channels=PlayMaker" style="border:0; width:100%; height:450px;"></iframe>
or
<iframe src="https://kiwiirc.com/client/irc.quakenet.org/?&theme=cli#PlayMaker" style="border:0; width:100%; height:450px;"></iframe>
i personally like to use the
kiwiirc chatbox because it has an extra button @ the bottom right where you can easily send files (pictures, packages, etc..)
there are other chat programs out there but i would prefer an IRC channel because they can be accessed by a standalone program also. (Mirc for example)