River uses a webmail service to access email that also easily integrates with other apps such as Docs, Sheets, and Meet. Which of the following free webmail services does River use?

River likely uses Gmail.

Based on the given information, River uses a webmail service that easily integrates with other apps such as Docs, Sheets, and Meet. Based on that criteria, the most likely free webmail service that River uses is Gmail, as it is known for its seamless integration with other Google apps such as Google Docs, Google Sheets, and Google Meet.

To determine which free webmail service River uses, we can look for the one that not only provides email access but also integrates with other apps like Docs, Sheets, and Meet. The most popular webmail services that offer these features are:

1. Gmail by Google: Gmail is a widely used webmail service that seamlessly integrates with various Google apps, including Google Docs, Google Sheets, and Google Meet. It offers a clean and user-friendly interface along with robust features.

2. Outlook by Microsoft: Outlook is another popular webmail service that offers integration with various Microsoft apps, such as Outlook Calendar, Word Online, Excel Online, and Teams. It provides a unified platform for email management and collaboration.

Both Gmail and Outlook offer free versions that include these integration features. Without more specific information, it is impossible to know for sure which webmail service River uses.