Be careful with that fine print folks. Though my guess is that only 5% of all people [creating online profiles] actually read EULA and contractual agreements for membership, it can be a dangerous gamble indeed to not do so. In the age where information is power, company's poke, prod and syphon as much info about you as possible-and fight like crazy badgers before they will give that up. Remember the days when you could simply call a phone number to take your 'name off the list'? Well those days are long gone. Now you must first venture back to the website, search through pages designed to hide their contact information and mis-direct you back to enticing services and products, before you crack the hidden code of links to actually find the cancel buttons. Once you do this, you must play email-tag with first a computer auto-response system, then a lower level-drone tech processer trained to retain you, then an actual confirmation of cancelled services and memberships. And if you are lucky, they may even stop taking money out of your account.
It seems with the buzz site 'Facebook' however, there is no absolute way to actually pull your info and leave, if you so desire...
Read the article here in the New York Times for fair warning:
The New York Times