How to find out the popular keyword

If you want to know what is the popular keyword,you can use a free tool by Wordtracker.Its simply to use.

1.Go to http://freekeywords.wordtracker.com/  and then

2.Just choose keyword you want to know,for example is 'computer',ans then click Search.

3.You will see about top 10 searches,keyword 'computer' is more popular than 'computers' and the last is hp computers.

4.To see the 'COMPETITION','KEI', and 'KEI3 ' you just have to sign in to the site.