Businesses spend years and millions of dollars making it easier for customers to find them online, but an emerging trend suggests they also are seeking ways to be invisible.

A study last year from the Pew Internet Research Project found that most internet users would like to be anonymous online at least occasionally. The report said that 86 percent of users have taken steps to remove or mask their digital footprints—ranging from clearing cookies to encrypting their email, from avoiding using their name to using virtual networks that mask their internet address.Read More