WhatsApp_ What are those new check marks next to my messages?

What are those check marks next to my messages? - Check marks will appear next to each message you send.What is new?The two blue check show the recipient has read your message.The Message Info screen shows you who has seen your message and when.

[#1 ﻞαʋιҽɾαẞ]

#0 Titular y entradilla en castellano, porfa.