Google will place a cookie notification on the SERP which will allow the searcher to know that cookies are being used by Google (Schwartz 2013: online).
What are cookies?
You can find out about the various types of cookies to allow you to make informed decisions about their use and misuse. The reason Google is including a cookie banner on the SERP is to abid by UK Cookie Law.
I have a cookie question
Would you like me to clarify any of information on cookies? Have you got a cookie question?