Executives from IBM, Dell., Intel, Visa, Verizon, WalMart and other companies have written to Microsoft’s CEO complaining that the next version of Internet Explorer will make “Do Not Track” the default option. This would prevent companies from collecting data on a user’s browsing activity. This is the beginning of the battle between privacy protection and to ability for companies to collect information about a user’s online activities in exchange for free access to various services. Knowing a user’s interests allows advertisers to target specific products to specific users. This is merely one of the first steps in the battle between privacy and advertising. But it is something you may want to be aware of if you are concerned with various companies knowing about every move you make on the internet both with your computer and smart phone as well as your GPS location and potentially anything you buy with the upcoming electronic wallets.