Promoting websites on Google in areas of SEO PPC is the work of every agency and Internet Marketing agency. These companies thrive with areas of increasing the visiblity of the website link on Google Search results and Google Inventory across other websites and content network.
Google offers help and guidance in regards to PPC and adwords account maintenance, tweaking, performance etc. Google Adwords help on http://adwords.blogspot.com/ and Adwords Learning Center is a good way to keep in touch with the adwords new updates and adwords feature changes.
Google lauches its features all of a sudden with anyone anticipating any changes. This comes mostly as surprise to Google employees as well as Google users. Therefore for help / knowledge and support for these new features Google blogs and adwords help and maintenance is very beneficial.