Most people are aware of cookies and the privacy implications associated with them (websites tracking your browsing habits, etc), and some of us take measures to limit the amount of personal browsing information available to websites (predominately advertisers) by periodically cleaning cookies.
Not as many people, however, know about flash cookies. Flash allows local storage of a small amount of information independant of the browser's cookie system, and in recent years this has been co-opted by a large number of websites as an alternative to browser based cookies. In fact, some websites have been found to recreate deleted browser cookies based on data obtained from flash cookies (more info).
Because the N900 is flash-capable, it is also susceptible to the accumulation of flash cookies, just like a desktop browser. The good news is, it's relatively easy to clear these.
Adobe provides a service through their website at http://www.macromedia.com/support/do...manager07.html which allows you to manage and erase flash cookies (thought you'd fully cleared your browsing history? Guess again). This website can also be accessed through the N900 browser. The url is a bit cumbersome, so here's a shortened link: http://bit.ly/2fZi
While the presence of cookies (flash or otherwise) probably doesn't represent too much of a threat to your web privacy, why give up any more info about your browsing habits to advertisers than that which is absolutely necessary?
All of the plugins I saw simply replaced flash element with an icon. To activate, you usually have to click on the icon. So, it shouldn't break functionality.
