When having a live chat for sales is convenient

this product

Hey hackers,

I was considering implementing a live chat for my website.
We see live chats implemented on every website, so I started evaluating when it is actually convenient doing it.

Here are shown the two main scenarios: https://bit.ly/2RFJTeS.

Hope you find it useful for your own projects.
In case you have any questions, please let me know.