How can keyword researchers use this effectivley to research their targeted keywords? http://www.google.com/trends/hottrends# Thanks
They would use that to see what searches are popular, not to find keywords. to find keywords use https://adwords.google.com/select/KeywordToolExternal
Many keyword tool here. Google adwords and wordtraker u can use. Another google tool is google sktool.
For complete keyword research I recommended u to used any paid services. U can get all your needs related to your keyword research without spend much time and have a good results...