Have you ever wondered that whether your friend read your mail or not? He/she is not replying or didnt see your mail. Wheteher your important mail reach to its destination. If yes then here is Spypig for you.

Spypig is a cool email tracking system that sends you a notification mail whenever recipient read your mail.

Its very simple to use just follow these steps:

1). Open www.spypig.com .

2). Here enter your Email id and message title.

3). It provides special image which contains tracking code, select 1 of the image provided. If you dont want that your recipient know about this tracking then select blank (white) image provided

there.

4). Select no of notifications you want and then press activate.

5). Now it will generate an image copy that image in your mail.

6). Send it.

Its done.

Now whenever your recipient open that mail you will got a notification email.

Do you know that you cant make a folder named as "con" or "prn". If u dnt believe then try to rename a folder give its new name con. It will give error that 'Specified Device name is invalid'. There are many words like con. Some of are them PRN, AUX, CLOCK$, NUL, COM1, 
COM2,COM3, COM4, COM5,COM6, COM7, COM8, COM9, LPT1, LPT2,
 LPT3, LPT4,LPT5, LPT6,LPT7, LPT8, LPT9.

These words are windows inbuilt reserved device names. so we cant use them.

But here I provide you a trick by which you can name a folder by any of the above specified names, So go n challenge your friends and prove your superiority..

Here is solution, follow these steps:

1) Open Command Prompt (Type cmd in Run).

2) Type md \\.\d:\con to create a con folder in d drive, You can replace d with any drive .

Its done.

Now for deleting it Type
rd \\.\d:\con

If you use pendrives frequently and find bit typical to click on the task bar and then safely remove the pendrive then here is a trick for you to create a shortcut for safely removal of pendrives. Just follow given steps:

1). Right click on desktop, Go to new -> shortcut..

2). In Create shortcut window, Type RunDll32.exe shell32.dll,Control_RunDLL hotplug.dll.

3). Click next and then .

shortcut is created.

Now you can use this shortcut to remove pendrive or you can assign a shortcut key to it.
For assigning shortcut key,

1). Right click on shortcut icon.

2). Select properties.

3). In properties window, click on shortcut tab.

4). Assign a shortcut key to it(it will take clrt + alt by default)eg: if you press A shortcut will be ctrl+alt+A.

5). Click ok.

Its done.

Now you can use your keyboard shortcut key to safely remove your pendrives.

If you have multiple Google accounts—a Gmail with Google Apps account and a regular Gmail account, for example—streamline them with this script for Firefox with Greasemonkey. The script adds a “change user” drop-down bar in place of the “sign out” link.