Google has so many apps these days it can be hard to keep them straight. Even if you use its search engine or maps feature as much as I do, there may be other tools you don't know about. Kudzu has a good rundown of the best apps and how they matter for small businesses. Example:
If you’re not already running a Google AdWords campaign for your business, it’s definitely worth a try, particularly if the bulk of your business is conducted online. You can open a Google AdWords account for free then start an online ad campaign for as little as a $25 investment. With such a low startup cost, Google AdWords gives small businesses the ability to not just advertise online but to test keywords, spending, and more to find the right mix before investing a more significant amount.