Dropbox Cloud Storage Platform

Dropbox is a cloud storage and file synchronization platform that enables users to store, share, and collaborate on files. Founded in 2007 by Drew Houston (CEO) and Arash Ferdowsi in San Francisco, California, the company went public on Nasdaq in March 2018 (ticker: DBX). Dropbox serves over 700 million registered users and 18,000 paying business customers. Key features: file storage: store files in the cloud with automatic sync across all devices (Windows, macOS, Linux, iOS, Android). Files up to 2 TB depending on plan. File sharing: share files and folders with anyone via links. Set permissions (view, comment, edit), passwords, and expiration dates. Shared folders for team collaboration. Dropbox Paper: collaborative document editor for notes, project plans, meeting agendas, and brainstorming. Rich text, tables, code blocks, to-do lists, media embedding, and real-time co-editing. Dropbox Replay: video review and collaboration tool for creative teams. Frame-level annotations, time-coded comments, and version comparison. Dropbox Capture: screen recording and screenshot tool with annotation and sharing. Dropbox Sign: electronic signature service (acquired HelloSign in 2019 for $230 million). Dropbox Passwords: password manager with zero-knowledge encryption. Dropbox Vault: PIN-protected folder for sensitive documents. Dropbox Backup: automatic backup of PC or Mac to the cloud. Computer backup: automatically back up Desktop, Documents, and Downloads folders. Dropbox Transfer: send large files (up to 250 GB) with tracking and download notifications. File requests: request files from anyone, even without a Dropbox account. Smart Sync: see all files in the cloud without taking local storage. Online-only files. Version history: restore previous versions of files for up to 180 days. Python/Go. Proprietary.