Google Trends is a site used to show what people are searching for most on google at this given time, i like to go on there and look at what is trending and then see if i can base some sort of entertaining/educational content around what people are already searching for. You can search anything and see how the trend is going like if you think LG is about to go something big you can search LG and see the graph for searches and if you see it showing an upward spike or even a slight up turn you could make a video around LG's products or whatever they are doing that is causing the searches to happen so then people will search LG and your video could possibly have a higher chance of getting views since they are searching for content around LG just a quick tip for how Google Trends can be useful with youtube content