Article: Some boards, like Random and Politically Incorrect, are filled with racial slurs, Nazi imagery, and other content that would be horrifying to the average person. Other board titles note that they deal with pornography and other adult topics.  4Chan has become notorious for racism, white supremacy, and political extremism. It has been described as a place that can "incubate" far-right terrorists.  You can use the filter drop down menu at the top of the list of boards and select “Show Work-Safe Boards Only.” You can also use this menu to select “Show Not Safe For Work Boards Only.” Never give out any personal or contact information on 4chan or any other online forum. 4chan encourages anonymity, doesn’t allow contact requests, and won’t provide you or another user with anyone’s contact information. Note that 4chan can keep track your IP address and, if necessary, use it to ban you or give the information to authorities. You could download a virus or malware by clicking on a strange link. Avoid clicking on any external links that you might see on 4chan. You can click on images themselves for a larger view or to save without much worry since, according to the rules, the images can’t include any additional sound, document, or other data. Sometimes posts on 4chan might encourage viewers to do obviously unsafe things. For example, a 2014 post suggested that readers should microwave their cell phones to activate a hidden feature. Use your best judgment when you see a thread offering advice and, when in doubt, don’t try it at home.
Question: What is a summary of what this article is about?
Steer clear of upsetting or extremist content. Avoid giving out personal information. Don’t click on unfamiliar links. Don’t follow unsafe advice.
Article: Use a fork to poke holes all over the yams, to let moisture and air escape while they bake. The yams are finished when they are tender when poked with a fork.  Top them with butter, maple syrup sugar, cinnamon, or savory toppings like chives and sour cream.
Question: What is a summary of what this article is about?
Preheat the oven to 350 degrees. Poke holes in the yams. Bake for about 1 hour. Remove the yams from the oven and let them cool. Slice them in half and enjoy with toppings of your choice.
Article: It's usually at the bottom-left corner of the screen. It's on the left side of the menu.  It's in the left column. A list of file types will appear along the left side of the window, with each associated app on the right. ” The current default viewer appears to the right of this entry. For example, if it's currently set to Google Chrome, click Google Chrome. A list of apps that can read PDFs will appear. The selected app will now open PDFs on your PC by default.
Question: What is a summary of what this article is about?
Click the  menu. Click . Click Apps. Click Default apps. Scroll down and click Choose default apps by file type. Scroll down to “.pdf. Click the default PDF reader. Click the app you want to use.