How to create profiles for guests?
<p>I'm making a site, and will be allowing guests to vote/comment. How should I go about storing the user info?</p>

<p>I wouldn't like the info to be cleared if someone deletes the cookie (SO handles guest users via cookies I guess). If someone clears cookies and changes the ip at once, then only should the guest user info should be lost.</p>

<p>Should I use sessions in php for this?</p>
