Dropbox is out to be the hip home in the cloud for photos, documents, video and other digital possessions amassed by Internet-age lifestyles. Dropbox on Wednesday ramped up services for sharing and collaborating on virtual belongings ranging from Excel spreadsheets to family photos. He billed the improvements and new features as ways to go beyond simply storing files in the Internet cloud to bringing it to life by making it easy to share or collaborate, particularly using smartphones. Along with launching Dropbox for Business;