Perhaps the biggest threat to Google Inc.'s increasing dominance of internet search and advertising is the rising fear, justified or not, that Google's broadening reach is giving it unchecked power—especially when it comes to users' privacy.
As Google burrows deeper into everyday computing, its product announcements are prompting questions about its ability to gather more potentially sensitive personal information from users.
Why does Google log the details of search queries for so long? What does it do with the information? Does it combine data from its search engine with information it collects through other avenues—such as its recently released web browser, Chrome?