Quite recently Google rolled out some changes to their search results page, however one of the change is quite annoying.

Programs like Microsoft Outlook, VNC and Cute FTP show the passwords you type in the password box as asterix. The passwords are stored behind the asterix. Asterix logger is a software program that is designed to reveal passwords hidden behind the asterix.
Password revelation, information about the revealed password like revealed time, application for which asterix [...]

When you browse the web you send out a lot of information to sites that you visit, referrers strings are a part of the information that gets sent out, basically the referrer strings tells websites from which external website a request has come to them.

One of the most annoying things that we have come across while browsing media sites is that they keep auto refreshing the pages every few minutes, though this is done to update the page for fresh news, on a limited bandwidth network it can eat up a lot of bandwidth if you have pages opened up a webpage and left it unattended.