I can give you a general overview of common online services in which I have an experience:

1. E-commerce: Online platforms that allow users to buy and sell products and services, such as Amazon, eBay, and Alibaba.

2. Social Media: Platforms that enable users to connect, share content, and communicate with others, such as Facebook, Instagram, Twitter, and LinkedIn.

3. Cloud Storage: Services that allow users to store and access their files, documents, photos, and other data online. Popular cloud storage providers include Google Drive, Dropbox, and Microsoft OneDrive.

4. Ride-Sharing: Mobile applications that connect passengers with drivers for on-demand transportation, such as Uber and Lyft.

5. Food Delivery: Online platforms and mobile apps that allow users to order food from restaurants for delivery or pickup, such as Uber Eats, Grubhub, and DoorDash.

6. Online Learning: Platforms that offer educational courses and resources online, including massive open online courses (MOOCs) like Coursera and edX, as well as online tutoring services.

7. Video Conferencing: Online communication tools that allow individuals or groups to conduct video and audio meetings remotely. Popular examples include Zoom, Microsoft Teams, and Google Meet.