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2. WhatsApp - Wikipedia

   en.wikipedia.org/wiki/WhatsApp

   However, linked devices (using WhatsApp Web, WhatsApp Desktop or Facebook Portal) will become disconnected if people don't use their phone for over 14 days. [197] The multi-device beta can only show messages for the last 3 months on the web version, which was not the case without the beta because the web version was syncing with the phone. [198]

3. Reception and criticism of WhatsApp security and privacy ...

   en.wikipedia.org/wiki/Reception_and_criticism_of...

   In May 2012 security researchers noticed that new updates of WhatsApp sent messages with encryption, [40] [41] [42] but described the cryptographic method used as "broken." [43] [44] In August of the same year, the WhatsApp support staff stated that messages sent in the "latest version" of the WhatsApp software for iOS and Android (but not BlackBerry, Windows Phone, and Symbian) were encrypted ...

4. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_Code

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

5. Computer Vision Syndrome: Causes, Symptoms and Treatments - WebMD

   www.webmd.com/eye-health/computer-vision-syndrome

   That can put a real strain on your eyes. Eye problems caused by computer use fall under the heading computer vision syndrome (CVS). It isn’t one specific problem. Instead, it includes a whole ...

6. Multiple Sclerosis (MS): Early Signs and Common Symptoms - WebMD

   www.webmd.com/multiple-sclerosis/multiple...

   Primary MS Symptoms. The most common MS symptoms are: Bladder and bowel problems. You may have to pee more often, need to go during the night, or have trouble fully emptying your bladder. Bowel ...

7. Concussions: Signs, Symptoms, and Treatment - WebMD

   www.webmd.com/brain/concussion

   These symptoms can include trouble concentrating, problems with memory, headaches, changes in personality, mood swings, dizziness, fatigue, and insomnia for weeks to months. Delayed concussion ...

8. Timeline of WhatsApp - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_WhatsApp

   Timeline of WhatsApp. The following is a timeline of WhatsApp, a proprietary cross-platform, encrypted, instant messaging client for smartphones. [1] Jan Koum incorporates WhatsApp in USA. [2] WhatsApp 2.0 is released on the App Store for the iPhone. [3]

9. The 11 Best Meal Planning Apps to Help You Lose Weight

   www.healthline.com/nutrition/best-meal-planning-apps

   Best for organizing recipes: Paprika. Best for healthy eating: PlateJoy. Best for social support: Plan to Eat. Best for limiting food waste: Yummly. Best for meal prepping: MealPrepPro. Best ...