March 21, 1962 a bear became the first creature, who survived the ejection at supersonic speed. In 50-ies of the last century, Americans worked on supersonic bomber Convair B-58 Hustler. At the same time the engineers have developed a special ejection seat that can save the pilot even when running at very high speed. Of course, the chair had to be tested not only on mannequins, and called bears. The fact that certain breeds of these animals size and weight very similar to humans. On this day a bear named Yogi was ejected from the plane in the chair with rocket boosters at an altitude of 10 kilometers and 8 minutes landed with a parachute. Capsule securely protect the animal from an aerial shot and cold, so the bear didn’t get damaged.

Statistically, the bears have been more “tenacious” in the testing of the supersonic catapult: while a team of people were killed, none of the bears was hurt. Ironically, every animal killed after landing for a full examination of the body.

21 Mar 2006 came the world’s first tweet. It was written in a more closed social networks the founder of Twitter (and who else would he trust?!) Jack Dorsey: “just setting up my twttr” (“just setting up my Twitter”).

The idea of Twitter came up with Dorsey when he worked at Odeo, which was engaged in the podcasts. He looks tired to answer the questions: “How are you? What are you doing?” and decided to create a service to notify about your classes all the friends at once. Initially Twitter (then it was called twttr) worked via SMS, and that’s where the legs grow from known limitations: 140 characters for one tweet. The fact that an SMS message gets 160 Latin letters, but 20 of them Dorsey’s reserved under the name of the user. So the technology that appeared in the ‘ 80s, has defined the format of communication of people online at the end of the first decade of the XXI century. Very quickly has become popular on the Internet and at the same time began to appear smart phones, and to them came a lot of Twitter customers.

Today to clothe thoughts in short form prefers more than 300 million people. Besides, Twitter is one of the fastest channels of distribution of news. If something happened, then the first will write about it on Twitter. For example, in 2009, when the plane emergency landing in the Hudson river near new York city, the first photograph of the accident appeared on Twitter. Over the years, “toplam” joined artists, astronauts, Arab revolutionaries and even the Pope.

Among the most popular “veteran” are:

Katy Perry @katyperry

Justin Bieber @justinbieber

Barack Obama @’s Presidency

Rihanna @rihanna

Taylor swift @taylorswift13

March 21, 2007 went on sale on Apple TV. Stuffing Apple TV was not very fast, but quite “adult” computer. The device runs on an Intel Pentium M processor (the same set in cheap notebooks of the time), had 256 MB of RAM, and a 40-Gigabyte hard drive. The role of the operating system were modified Mac OS X.

At first, the Apple TV could not do without a computer with iTunes — it was broadcast or synchronize content. Only a year later released a firmware update that enabled directly from the console to buy and rent movies from the iTunes store.

The next two generations of Apple TV was designed quite differently. They worked on iOS — the same operating system as what is used in smartphones iPhone — and were deprived of the hard drive. Anyway, these boxes, in terms of the toppings were “IPhones” without screen, but with video output. Returned hard drives in the console just to the fourth generation, which came out in late 2015. Then Apple TV learned how to run programs for iOS (more precisely, adapted them for TV version).

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