WhatsApp crossed 1Billion downloads on Android with 4 engineers- That's Amazing

WhatsApp crossed 1Billion downloads on Android with 4 engineers (and 1 guy overseeing it), in their own words they're 4.25 people vs 1Bn+ android users.

WhatsApp-crossed-1Billion-downloads-on-Android-with-4-engineers

1. Just 4.25 People made 1Billion Downloads on Android. 
2. Have you ever wondered why WHATSAPP WEB always needs your phone to be connected to internet? Because Whatsapp doesn't at all keep your messages and contacts. Its all in your phone. They have no backup or storage of your messages, statuses, pictures and contacts. Thats why, the only way to use Whatsapp Web is to transfer messages and contacts from your phone to web.
3. In 2009, WhatsApp co-founders Jan Koum and Brian Acton, both applied for jobs at Facebook and Twitter and were rejected.
4. In February 2014, Facebook acquired WhatsApp for a whopping $19 billion, making both of them billionaires.
5. In April 2014, WhatsApp tweeted that it hit a new record for messages. Within 24 hours, people using the app sent 20 billion messages and received 44 billion messages.

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What are some facts one should know about food hubs like Dominos, Subway, Pizza Hut, McDonalds, etc.

What are some facts one should know about food hubs like Dominos, Subway, Pizza Hut, McDonalds, etc.?

Dominos-Subway-PizzaHut-McDonalds-Facts-one-should-know

Pizza Hut

1. Pizza Hut, KFC & Taco Bells are owned by one company called "Yum Foods"
2. Pizza Hut was sold by its founders, The Carney Brothers to PepsiCo for a whopping $300,000,000, equal to around $1.2 billion today.
3. The name Pizza Hut was because of the red hut which is now a rare find.
4. Donald Trump appeared in Pizza Huts commercials
5. Pizza Hut was first company to launch online ordering & the site still exists 
6. Pizza Hut sent a pizza up on a rocket in 2001, and actually delivered an edible pie to the International Space Station (ISS)! 

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A googol is a large number equal to (i.e., a 1 with 100 zeros following it). Written out explicitly.

1. Google's original name was BACKRUB. Then Google came as the spelling mistake of word "Googol". May be that's why googlers get free massages in office.
2. Google's headquarter is called "Googleplex" which means the number equivalent to ten raised to the power of a googol.
3. In Googleplex, TGIF (Thank God Its Friday) used to happen on each friday as weekly all-hands where Larry, Sergey and other googlers discuss about Google. As friday afternoon at Mountain view was too late for other offices of google worldwide, now it happens on each thursday and its

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What are some amazing facts about Google or Microsoft?

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The Google reCAPTCHA Project

We have all come across the ubiquitous captcha - the colourful images with distorted text - a reverse Turing test of sorts. These work because no algorithm at present can read distorted text as well as we humans do. However not all the distorted texts are unreadable by machines. About 200 million captchas are solved everyday, amounting to more than 150,000 hours of work each day. Considering the numbers involved, a safe captcha generation system was needed. Enter Google reCAPTCHA. To make a positive use of this immense human effort, the reCAPTCHA channels the effort spent solving captcha online into "reading" books.

To archive human knowledge and to make information more accessible to the world, multiple projects are digitizing physical books that were written before the computer age. The book pages

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Carry  a helium or hydrogen filled balloon in a car, and accelerate the car. (Be careful; this can be dangerous.) The balloon will not be pulled to the rear of the car; it will move to the front! (That's why I said you have to be careful.)

The balloon is, of course, pushed backwards by the acceleration (according to the equivalence principle, this is equivalent to rearward gravity), but the air, since it weighs more per volume, is pushed more. So it is what goes backwards, while the balloon is forced forward by the heavier flowing air.

Likewise from gravity. A balloon goes up because the heavier air falls down around it, displacing the balloon. And similarly for the hot plasma known as fire. It weighs less per cubic centimeter than does the air around it, so the air drops and pushes the plasma up.

When you start a fire, fuel combines with oxygen to release heat, light, carbon dioxide, water vapor, soot etc. The heat energy generated in this process heats up the air around the flame which in turn decrease the density of the surrounding air.

This hot air around the flame then starts rising up and the surrounding colder heavier air rushes down into its place accelerating the hot air upwards which in turn causes the flame to shoot up. It is this hot air rushing upwards that also causes fire to flicker.

In case of in a micro gravity environment, there is no reason for the heavier air to fall down and rush into the place of the lighter air. So the flame just remains a spherical blob as you would imagine. 

Thus, gravitational pull exist on fire too.

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Periodic Table’s 7th Period is Finally Complete, IUPAC-IUPAP Officials Say

Periodic-Tables-7th-Period-is-Finally-Complete-IUPAC-Officials-Say

The 7th period of the periodic table now has four new elements: element 113 (temporarily named as Ununtrium, or Uut), element 115 (Ununpentium, or Uup), element 117 (Ununseptium, or Uus), and element 118 (Ununoctium, or Uuo), says a group of experts from the International Union of Pure and Applied Chemistry (IUPAC) and the International Union of Pure and Applied Physics (IUPAP).

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India's combined internet speed is 36,000 Gbps!

1. Where does your Internet service provider get internet from? 
2. How does Internet reach India?  

Let us dive into the world of networking .

More than 99% of the internet traffic relies on high quality fiber optic cables connecting various countries. Only a minuscule part of the traffic goes through satellites.

These cable networks are laid and maintained by various governments and giant companies. Such projects are usually undertaken by multiple companies due to the large cost of investment. There are three tiers which differentiates the size of the network held by a company.

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Indian Railway has announced a huge recruitment notification for 18252 vacancies. Here are the details:

Indian-Railway-has-recruitment-notification-for-18252-vacancies

Commercial Apprentice (CA): 703 Posts
Traffic Apprentice (TA): 1645 Posts
Enquiry cum Reservation Clerk (ECRC):127 Posts
Goods Guard: 7591 Posts
Junior Accountant cum Amanuensis (Typist) (JAA):1205 Posts
Senior Clerk cum typist: 869 Posts
Assistant Station Master (ASM): 5942 Posts
Transport Assistant: 166 Posts
Senior Time Keeper: 04 Posts

Selection Process: Written test and Proficiency test

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