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Which database does Facebook & Google use ?

Facebook has moved to a NoSQL database named HBase. Google uses their own system called BigTable. What is NoSQL ? NoSQL is a term used to designate databases which differ from classic relational databases. NoSQL database management systems are useful when working with a huge quantity of data when the data's nature does not require a relational model. The data can be structured, but NoSQL is used when what really matters is the ability to store and retrieve great quantities of data, not the relationships between the elements.

How to Download Youtube videos from Mobile

To download youtube videos on your mobile just edit www. of the video address and type their ss. For example- http://­www.youtube.com/watch?v=Kv7kNO_gH4E will be written as http://ssyoutube.com/watch?v=Kv7kNO_gH4E Check it now, it really works.

How To Download Youtube Videos Without Any Sofware

This is small and simple trick which will allow you to download youtube videos without any software and in different formats such as mpeg4, 3gp, hd and many more from youtube. First Go to Youtube webpage. Then go to video you want to download. Example : http://www.youtube.com/watch?v=8JRwNGFdTXM Now add save before youtube and press enter. Example : http://savemedia.com/watch?v=8JRwNGFdTXM Now you will be redirected to a new page from where you can download video in any format of your choice.

Google Adds Face Blurring Technology To YouTube !

Google has added a new face blurring feature into YouTube in an effort to provide visual anonymity for video on the network. Google says the new feature has been added following a recent observation from human rights group called WITNESS that no social networking site offers such technology. To use the feature, users need to select the video they want to edit within YouTube's Video Enhancement tool, then go to Additional Features and click the “Apply” button placed under the 'Blur All Faces' option. YouTube also lets you have a preview of the video before making it live. There is also an option to delete the non-blurred and original copy of the video from your account. Google has explained the feature with an example of the Arab Spring protests in Egypt. The Internet giant, however, points out that this feature is an “emerging technology” and that it might not be 100 percent accurate. “Whether you want to share sensitive protest footage without exposing...