WhatsApp, which has more than 600 million active users, is free in the App Store. The blue indicator is in addition to a pair of grey check marks which denote that the message has been successfully sent (single check mark) and successfully delivered to the recipientâs phone (double check mark).s we patiently await an update to make WhatsApp support native display sizes of the iPhone 6 and iPhone 6 Plus, the tremendously popular Facebook-owned messaging service on Wednesday enabled a new check mark in the chat UI indicating that the recipient has read your message.
Nu Skin is also a very reputable company that has been around for quite a while. I like the idea of joining a company that has a solid background and reputation and also delivers pretty high quality products into the market.
Why silica is good for you. Silica is a trace mineral, which means the body only needs a very small amount of it to stay healthy. Silica is found most predominantly in the connective tissues-skin, blood vessels, cartilage, bone, teeth, tendons and hair.mportant silica facts. 1  Silica is short for silicon dioxide. 2  Silica is also called silicon and is a natural substance while silicone is a man-made industrial substance which is popularly used in breast enlargement operations.