Google Sheets is a cloud-based spreadsheet program that is part of the Google Drive suite of tools. Here are some of its features:

1. Collaboration: Multiple users can work on the same sheet simultaneously and see changes made in real-time.
2. Data visualization: Google Sheets offers a range of chart types, including line, bar, and pie charts, as well as scatter plots, heat maps, and more.
3. Data analysis: Users can perform various data analysis functions, including filtering, sorting, and pivot tables.
4. Formulas and functions: Google Sheets includes a wide range of built-in formulas and functions, including mathematical, statistical, and logical functions.
5. Add-ons and integrations: Google Sheets integrates with many other tools, including Google Forms, Google Analytics, and various add-ons available in the G Suite Marketplace.
6. Access and storage: Sheets can be accessed from any device with an internet connection and are stored on Google Drive, which provides 15GB of free storage.
7. Customization: Users can customize the appearance of sheets, including font styles, cell borders, and background colors.
8. Sharing and permission settings: Sheets can be shared with others, and users can control the level of access others have to the sheet, including view-only, edit, and comment-only access.
9. Import and export: Google Sheets allows users to import data from other sources, including CSV files and Excel spreadsheets, and export sheets in various file formats, including Excel, CSV, and PDF.
10. Automation: Google Sheets includes automation tools like scripts and macros, which can help automate repetitive tasks, such as data entry or formatting.