Dropbox:

Dropbox provide you to online storage space in which you can easily add your photos ,Videos Document,Files any time anywhere. This can make your life easy you have no need to carry any storage device.If you need some file you can go to your dropbox anywhere any time you wont .
You can install dropbox on your computer and also go on the site of dropbox .dropbox can provide you free storage space and free service.
Edit , Read and Upload your file on dropbox.
There are following Features of Dropbox:

• Access File, Photos,Doc anywhere you want
• Upload photos and videos to your Dropbox.
• You can Share your photos and docs with family and friends.

https://play.google.com/store/apps/details?id=com.dropbox.android