????Dropbox

????德鲁?休斯顿，CEO

????容量：2GB免费空间；每月10美元可获得100GB

????用途：备份

????重要特性：可在不同设备上自动同步文件夹

????资金：2.57亿美元

????用户数量：5,000万

????趣闻：黑眼豆豆乐队领军人物will.i.am是网站铁杆粉丝

????Dropbox

????Drew Houston, CEO

????Capacity: 2 GB free; 100 GB for $10/month

????What it's for: Backups

????Killer feature: Syncs folders automatically on several devices

????Funding: $257 million

????Number of users: 50 million

????Fun fact: will.i.am is a fan