Google released the latest version of their Chrome browser, version 12.0.742.91, this week. In addition to the usual bug fixes, Google says they have upgraded security:
Chrome also now gives you more control over the data that websites store on your computer. This includes Flash Player’s Local Shared Objects (LSOs), which were previously only manageable using an online settings application on Adobe’s website.
In the Mac version of Chrome, you can find these controls by going to Chrome>Preferences>Under The Hood and then clicking the Content Settings button.