How Facebook bot it.
Well it is very simple when you host a Facebook comment bot site the bot comment bot site need token to do his job of liking and posting comment. then you have to login to Facebook app in order to get your token and to give permission them to post comment when they find new post of your friends photos in which your you are tagged in .What Is Benefits of Facebook bot.
Well as i told you when your got new photos on new feeds instead of spending time on that bot will automatically like and comment on this post.
You may be think that liking and comment doesn't take much time but if you have 5000 friends then surely it will take time and this will save your valuable time .
The other reason for which people use Facebook comment bot site is to be famous now you may think that how Facebook bot can famous you .well it do make you famous you can customized the comment that will posting you can add link or what ever you want to add if you add your profile link then when ever Facebook bot comment on post the follow button will show on the post. Which increase your follow rate and exposure for sure..
There are many other benefits of using Facebook bot. But there are some non beneficial effect also on your account.
Danger of using Facebook comment bot.
As i tell there some bad effect also on your Facebook account when using Facebook bot site. The first danger that come it blocking of comment temporary when you have a huge amount of friend and Facebook bot comment on those all post in not time then some time Facebook detect as a misuse use of its feature and temporary block you from using comment feature you can remove that block by telling your friend to poke you. On Facebook .
Facebook may also be mark your comment as a spam comment which will also do the same.
And when you login to the first time on Facebook comment bot site then if your account is real no worry but if your is fake that will be the problem. Facebook may lock your account temporary to verify that its you. So verify your account and then use real account.