In today's fast moving mobile technologies, where people are leaving behind their good old desktops and making a shift to Tablets, Notebooks, Smart phones, there has been definitely a need for things like cloud storage for making your documents, pics, videos available to all different devices you are using. And even there has to be an option to share it with someone else.

Of course, you can use number for file sharing websites for uploading and sharing files, but there has been always a need for keeping things in sync on your different mobile devices.

There comes new technology called Cloud storage and we already have different options available for this like iCloud, Dropbox, Microsoft SkyDrive, etc.

All of these providers are offering varied free storage and charges for more storage.

Apple iCloud - Only limitation in Apple iCloud is that it can be accessed using Apple devices and Windows PC not from any other mobile platform. And also they are offering 5 GB of free storage.

Dropbox - It has been there from quite a long time and having mobile app available for iPhone, iPad, Android, Blackberry. It offers free storage of upto 18GB (2GB + 500MB each referral)

Microsoft SkyDrive - As per recent update, Skydrive is upgrading existing 7GB free accounts to 25GB free storage, which seems to be maximum available free storage by any cloud storage provider. Skydrive is integrated in Windows Phone and apps are available for other mobile platforms.

Google Drive - So, how in the world can Google left behind, today they have announced their Google Drive service which will offer 5 GB of free space and upto 100GB for premium plans. And it will also release apps for different mobile platforms as well. 

With Google entering this area now, competetion is really going to be tough, will it become another Gmail, Android like success stories from Google. Just wait and watch. Right now, you might not get access to Google Drive as it is being given in phased manner. Just watch this video from Google for more insight on this.