<Tr> <Th> Method </Th> <Th> Information sent </Th> <Th> When </Th> <Th> Optional? </Th> </Tr> <Tr> <Td> Installation </Td> <Td> Randomly generated token included in installer . Used to measure success rate of Google Chrome once at installation . </Td> <Td> <P> On installation </P> </Td> <Td> No </Td> </Tr> <Tr> <Td> RLZ identifier </Td> <Td> Encoded string, according to Google, contains non-identifying information about where Chrome was downloaded from and its installation week, and is used to measure promotional campaigns . Google provides the source code to decode this string . <P> RLZ can be disabled in the Chrome Operating System . For Chrome browsers running in all other operating systems: </P> <Ul> <Li> Desktops can avoid RLZ by downloading the browser directly from Google.com/chrome . </Li> <Li> Phones, tablets and possibly laptops: Google has not said that RLZ can be disabled . </Li> </Ul> </Td> <Td> <Ul> <Li> On Google search query </Li> <Li> On first launch and first use of address bar </Li> </Ul> </Td> <Td> Partial </Td> </Tr> <P> RLZ can be disabled in the Chrome Operating System . For Chrome browsers running in all other operating systems: </P>

Why is there a 1 on google chrome icon