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  2. WhatsApp makes it harder for scammers to steal your account - AOL

    www.aol.com/news/whatsapp-makes-it-harder-for...

    WhatsApp's new Account Protect feature will ask you to use your old device to verify when you ... verifying your connection with someone involves either scanning a QR code or comparing a 60-digit ...

  3. WhatsApp - Wikipedia

    en.wikipedia.org/wiki/WhatsApp

    WhatsApp Web's user interface is based on the default Android one and can be accessed through web.whatsapp.com. Access is granted after the users scan their personal QR code through their mobile WhatsApp application. There are similar solutions for macOS, such as the open-source ChitChat, previously known as WhatsMac.

  4. Use WebMD’s Pill Identifier to find and identify any over-the-counter or prescription drug, pill, or medication by color, shape, or imprint and easily compare pictures of multiple drugs.

  5. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_code

    Whereas a barcode is a machine-readable optical image that contains information specific to the labelled item, the QR code contains the data for a locator, an identifier, and for web-tracking. To efficiently store data, QR codes use four standardized modes of encoding: (i) numeric, (ii) alphanumeric, (iii) byte or binary, and (iv) kanji . [4]

  6. POSTNET - Wikipedia

    en.wikipedia.org/wiki/POSTNET

    POSTNET. POSTNET ( Post al N umeric E ncoding T echnique) is a barcode symbology used by the United States Postal Service to assist in directing mail. The ZIP Code or ZIP+4 code is encoded in half- and full-height bars. [1] Most often, the delivery point is added, usually being the last two digits of the address or PO box number.

  7. What Is a Coronary Calcium Scan? - WebMD

    www.webmd.com/heart-disease/coronary-calcium-scan

    Your doctor can use what’s called a coronary calcium scan to get a clearer picture of your risk for a heart attack. This heart scan uses a special type of X-ray called a CT scan. It takes ...

  8. What Is Chronic Care Management? - WebMD

    www.webmd.com/a-to-z-guides/what-is-chronic-care...

    5 min read. Chronic care management (CCM) is a billable Medicare service that’s meant to improve the lives of both patients and physicians. You qualify for CCM services if you have Medicare and ...

  9. Ear and Sinus Congestion: How to Relieve Painful Pressure

    www.healthline.com/health/ear-congestion

    Here are things you can do to relieve sinus congestion and related ear congestion: Take a nasal decongestant for up to 3 days. Blow your nose gently. Use a nasal rinse or nasal irrigation system ...