Pay Per Click Keyword research ideas

If you have managed Adwords or another PPC campaign before, you will know that the autocomplete feature of the Google search box and the built in keyword suggestion tool within Adwords are some of the ways to come up with a keyword list. Here some more which are more commonly used for Search Engine Optimization, but can help increase the efficiency of your PPC campaign, nonetheless:

Direct customer research – If your a B2C business, then why not ask customers who call you over the phone, how they found your website and what keywords did they use.
Web Analytics – check the ‘keyword’ or ’search term’ feature which will give you the exact keywords people are using to find your website
Online survey- If your customer can purchase directly on your website, offer them a short survey listing questions which can help you determine the visitor path such as ‘How did you find this website (PPC or organic)’, ‘What keywords did you use’ etc