Post Blank Status on Facebook

Today I found this amazing trick by which you can update your status to blank as shown in the picture.

Status Update without any content

 Recently, facebook added a new feature by which you can tag people, posts, pages and groups using their unique id or username. For example, if the page has a username funstartshereblog you can tag the page simply by adding @[funstartshereblog:0] as a part of your status.

Now Facebook has not registered anyone with id = 0, so if you post @[0:0], facebook will consider that your post has content but when posted there will be no content in your post and your status will be blank. Please note that this trick does not work while commenting.

Hang Computer with a URL

This is an amazing trick.This will hang your computer. All one needs to do is to visit the link below
Note open the link at your own risk

http://tiny.cc/ibJUN

What actually happens is this page floods requests to open mailto windows causing system to hang.
This hack points out inability of modern browsers to block automated "mailto" windows.It should be noted that the modern browsers are however able to block popup windows and alerts.

Be Safe From short url's

You must have come across urls like http://goo.gl/XoG1z .They surely make it easier to share and remember long urls but are prone to be used by hackers.Since you so not know what site you are being redirected to beforehand this exploit can easily be used for phishing and other illegitimate uses.
In order to know beforehand the url you are opening it's better to check out to what url you are being redirected.
For url shortened by google(like the one shown before) you  can add a '+' symbol to get the info.For example to get info about http://goo.gl/XoG1z just go to http://goo.gl/XoG1z+
For all other url short urls you can visit longurl.org they decode for a number of services.You can also get their firefox addon(it works for firefox4 and firefox 5.it also works for ff6 but somehow it shows incompatible) and Chrome extension.