Once you have modified your database, you must then populate it with data using your insert into statements; however, you will need to modify your insert into statements for your product entity since it no longer has the unitprice attribute. after populating all of the other tables in your improved database, you will then need to populate the price_history entity by using insert into statements. use the previous unit price value with price valid from 1/1/2017 until 3/31/2017. then from 4/1/2017 until 5/20/2017, increase each unit price by 4% from the previous price. then from 5/21/2017 until 5/29/2017, increase each unit price by 5% from the previous price. then from 5/30/2017 until 7/07/2017 decrease each unit price by 10% from the previous price. then from 7/08/2017 until 11/25/2017, increase each unit price by 10% from the previous price. then from 11/26/2017 until 12/31/2018, increase each unit price by 4% from the previous price. populate your tables with the correct data.

cyberstalking on the internet means to harass or stalk someone, a group, or an organization. this may include defamation, slander, and false accusations. in many jurisdictions, cyberstalking is a criminal offense. 

on the other hand, cyberbullying focuses more on intimidating, threatening or harassing someone. harmful bullying include posting threats, rumors, and sexual remarks.

a  social news website  is an  internet  website  that features  user-posted stories. such stories are ranked based on popularity, as voted on by other users of the site or by website administrators. users typically comment online on the news posts and these comments may also be ranked in popularity. since their emergence with the birth of  web 2.0, social news sites have been used to link many types of information, including news, humor, support, and discussion. all such websites allow the users to submit content and each site differs in how the content is moderated. on the  slashdot  and  fark  websites,  administrators  decide which articles are selected for the front page. on  reddit  and  digg, the articles that get the most votes from the community of users will make it to the front page. many social news websites also feature an online comment system, where users discuss the issues raised in an article. some of these sites have also applied their voting system to the comments, so that the most popular comments are displayed first. some social news websites also have a  social networking  function, in that users can set up a user profile and follow other users' online activity on the website.