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It’s been nearly three months since many Google employees—and the public—learned about the company’s decision to provide artificial intelligence to a controversial military pilot program known as Project Maven, which aims to speed up analysis of drone footage by automatically classifying images of objects and people. Now, about a dozen Google employees are resigning in protest over the company’s continued involvement in Maven.

The resigning employees’ frustrations range from particular ethical concerns over the use of artificial intelligence in drone warfare to broader worries about Google’s political decisions—and the erosion of user trust that could result from these actions. Many of them have written accounts of their decisions to leave the company, and their stories have been gathered and shared in an internal document, the contents of which multiple sources have described to Gizmodo.

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The employees who are resigning in protest, several of whom discussed their decision to leave with Gizmodo, say that executives have become less transparent with their workforce about controversial business decisions and seem less interested in listening to workers’ objections than they once did. In the case of Maven, Google is helping the Defense Department implement machine learning to classify images gathered by drones. But some employees believe humans, not algorithms, should be responsible for this sensitive and potentially lethal work—and that Google shouldn’t be involved in military work at all.

Historically, Google has promoted an open culture that encourages employees to challenge and debate product decisions. But some employees feel that their leadership no longer as attentive to their concerns, leaving them to face the fallout. “Over the last couple of months, I’ve been less and less impressed with the response and the way people’s concerns are being treated and listened to,” one employee who resigned said.

There’s precedent for employee pushback resulting in product changes—in 2015, employees and users successfully challenged Google’s ban on sexually explicit content posted to Blogger. But these are the first known mass resignations at Google in protest against one of the company’s business decisions, and they speak to the strongly felt ethical concerns of the employees who are departing.

In addition to the resignations, nearly 4,000 Google employees have voiced their opposition to Project Maven in an internal petition that asks Google to immediately cancel the contract and institute a policy against taking on future military work.

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Fruits and vegetables grown in garden plots that have been cleared from the jungle or forest provide the main source of food in a horticultural society. These societies have a level of technology and complexity similar to pastoral societies. Some horticultural groups use the slash-and-burn method to raise crops. The wild vegetation is cut and burned, and ashes are used as fertilizers. Horticulturists use human labor and simple tools to cultivate the land for one or more seasons. When the land becomes barren, horticulturists clear a new plot and leave the old plot to revert to its natural state. They may return to the original land several years later and begin the process again. By rotating their garden plots, horticulturists can stay in one area for a fairly long period of time. This allows them to build semipermanent or permanent villages. The size of a village's population depends on the amount of land available for farming; thus villages can range from as few as 30 people to as many as 2000.

As with pastoral societies, surplus food leads to a more complex division of labor. Specialized roles in horticultural societies include craftspeople, Stuart Weitzman kneelength boots free shipping get authentic oSIBdfS
(religious leaders), and traders. This role specialization allows people to create a wide variety of artifacts. As in pastoral societies, surplus food can lead to inequalities in wealth and power within horticultural political systems, developed because of the settled nature of horticultural life.

Main article: Agrarian society
Ploughing with oxen in the 15th century

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advances to cultivate crops over a large area. Sociologists use the phrase agricultural revolution to refer to the technological changes that occurred as long as 8,500 years ago that led to cultivating crops and raising farm animals. Increases in food supplies then led to larger populations than in earlier communities. This meant a greater surplus, which resulted in towns that became centers of trade supporting various rulers, educators, craftspeople, merchants, and religious leaders who did not have to worry about locating nourishment.

Greater degrees of social stratification appeared in agrarian societies. For example, women previously had higher social status because they shared labor more equally with men. In hunting and gathering societies, women even gathered more food than men. However, as food stores improved and women took on lesser roles in providing food for the family, they increasingly became subordinate to men. As villages and towns expanded into neighboring areas, conflicts with other communities inevitably occurred. Farmers provided warriors with food in Glamorous Barely There Mid Heeled Block Sandal in Rose Gold quality original best seller sale online top quality very cheap sale online nA6BvnJ2X
for protection against invasion by enemies. A system of rulers with high social status also appeared. This nobility organized warriors to protect the society from invasion. In this way, the nobility managed to extract goods from “lesser” members of society.

Although the ICHD-2 is the most complete headache classification there is and it includes frequency in the diagnostic criteria of some types of headaches (primarily primary headaches), it does not specifically code frequency or severity which are left at the discretion of the examiner. [36]

Main article: NIH classification of headaches

The NIH classification consists of brief definitions of a limited number of headaches. [43]

The NIH system of classification is more succinct and only describes five categories of headaches. In this case, primary headaches are those that do not show organic or structural cause. According to this classification, headaches can only be vascular, myogenic , cervicogenic, traction and inflammatory.

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See also: Management of chronic headaches

Primary headache syndromes have many different possible treatments. In those with chronic headaches the long term use of opioids appears to result in greater harm than benefit. [44]

Migraine can be somewhat improved by lifestyle changes, but most people require medicines to control their symptoms. [5] Medications are either to prevent getting migraines, or to reduce symptoms once a migraine starts.

Preventive medications are generally recommended when people have more than four attacks of migraine per month, headaches last longer than 12 hours or the headaches are very disabling. [5] [45] Possible therapies include beta blockers, antidepressants, anticonvulsants and NSAIDs. [45] The type of preventive medicine is usually chosen based on the other symptoms the person has. For example, if the person also has depression, an antidepressant is a good choice.

Abortive therapies for migraines may be oral, if the migraine is mild to moderate, or may require stronger medicine given intravenously or intramuscularly. Mild to moderate headaches should first be treated with visit for sale under cheap online Eastland Roxanne Womens Penny Loafers low cost cheap online quality original uMRDUh1i
(paracetamol) or NSAIDs, like ibuprofen . If accompanied by nausea or vomiting, an antiemitic such as metoclopramide (Reglan) can be given orally or rectally. Moderate to severe attacks should be treated first with an oral Chloé white sole strappy midheel sandals the cheapest cheap online ZcStfl5
, a medication which mimics serotonin (an agonist) and causes mild vasoconstriction. If accompanied by nausea and vomiting, parenteral (through a needle in the skin) triptans and antiemetics can be given.