Re: website advertising
This is Adwords Community. So keeping things restricted to this topic, I would say that Google Adwords is an excellent way of advertising and showcasing your product/service online to the users who are constantly looking for it.
You should review this PDF before you think about Adwords: http://static.googleusercontent.com/media/www.google.com/en/us/adwords/pdf/hc/growing_adwords_en.pdf
You can also review the You Tube Adwords channel here for informative videos: http://www.youtube.com/user/learnwithgoogle
User articles section is also an enriched source of learning this advertising platform: https://www.en.adwords-community.com/t5/User-Articles/bg-p/User_Articles