September 1, local time
Inventor of PPT (PowerPoint)
Dennis Austin
Died at home in California, USA
Died at the age of 76
According to The Paper, citing a report from The Washington Post on September 8, Austin’s son Michael Austin ( Michael Austin) revealed,The cause of death was metastasis of lung cancer to the brain.
On May 28, 1947, Austin was born in Pittsburgh, USA. His father ran an executive association, and his mother was a typist who later became a housewife.
After graduating from college in 1969, Austin studied at Arizona State University, MIT and the University of California, Santa Barbara. Study at the branch for postgraduate studies. Subsequently, he worked at General Electric, Honeywell International and other companies.
Everyone can create a slideshow
PowerPoint has played an important role in shaping the way information is communicated in modern society. It has become synonymous with the workplace world and is used by almost every working personTools that are indispensable.
In 1987, as the digital successor to the projector, PowerPoint was released by the software company Forethought. Previously, creating slideshows was a labor-intensive task that was typically assigned to a design department or outsourced. PowerPoint allows anyone with access to a computer to create slideshows by simply clicking and rearranging information with a mouse.
Austin, a software engineer, worked with Forethought executive Robert Gaskins, who conceived the software ) collaborate to design PowerPoint to be easy to operate.
A few months after PowerPoint was launched, Microsoft acquired Forethought for $14 million. Microsoft founder Bill Gates was initially skeptical but eventually changed his mind. The project was so big that Microsoft formed a new business unit.
Microsoft eventually added PowerPoint to the Office program suite, releasing it on the Windows operating system in 1990. By 1993, PowerPoint sales had exceeded $100 million. Now, users around the world use PowerPoint to create more than 30 million presentations every day.
For netizens born in the 1990s
Many people just found out today
PPT was invented by Austin
At the same time, it means that PPT makes people in the workplace both love and hate
"You don’t have to like PPT
But I have to say it is a great technological invention"
"May there be no PPT in heaven"
Lung cancer is difficult to detect in its early stages
Be careful when these 5 conditions occur in your body!
Early-stage lung cancer generally has no obvious symptoms. When the tumor grows to a certain extent, That is, obvious symptoms will only appear when the disease has entered the middle or late stages. At this time, the tumor compresses the lungs, trachea and other organs, and the patient will cough. Clinical reactions such as phlegm, chest tightness, shortness of breath, and even dyspnea are the reasons why lung cancer is in the middle and late stages as soon as it is discovered.
Although lung cancer is difficult to detect early, it is not invisible.
Common symptoms of lung cancer include cough (8% to 75%), blood in sputum, and hemoptysis (6 %~35%), chest tightness and shortness of breath (3%~60%), chest pain (20%~49%), hoarseness (0~2%), unexplained weight loss (0~68%), etc. If the patient's body When you have the following symptoms, you should be vigilant at this time.
Cough is lung cancer First symptoms, as the tumor gradually increases It irritates the bronchial mucosa, resulting in irritating cough, which is paroxysmal. Even taking cough medicine has little effect.
Some patients with lung cancer have blood streaks in their sputum, and sometimes they cough up blood. This is becauseTumor tissue has a rich blood supply, and severe coughing can easily cause blood vessels to rupture and Bleeding. If there are always blood streaks in the sputum recently or you cough up a small amount of blood, you need to go to the hospital for relevant examinations in time.
Many lung cancer patients may have mild or loud sounds Hoarseness, hoarseness is sudden and develops rapidly, so that the sound completely disappears in a short period of time , there is no effect through conventional treatment.
When the tumor grows larger and compresses blood vessels, When the nerves invade the pleura, pain will occur. It is worth noting the location of the pain. Uncertain but showing persistence.
Tumor compression of the superior vena cava may lead to superior vena cava Vena cava syndrome. Superior vena cava syndrome mainly manifests as edema of the face, head and neck, and bilateral edema. Edema of the upper limbs.
"Early detection, early diagnosis, early treatment." Surgery is the only curative treatment currently recognized, the earlier it is discovered, the higher the chance of radical surgical resection.
Source | The Paper, Knews, Popular Science China, News Square
Editor丨Jiang Zhuyun
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