Original sentence: Notable changes include the addition of related searches (called "Explorer pane" on the left side of search results) based on semantic technology from PowerSet, a search company Microsoft purchased in 2008, search suggestions as you type, and the ability to keep track of your search history
Edited sentence: Notable improvements in general searches include the addition of related searches (called "Explorer pane" on the left side of search results) based on semantic technology from PowerSet, a search company Microsoft purchased in 2008, search suggestions as you type, and the ability to keep track of your search history