Manage your spreadsheets with Data Validation in the Excel Web App (aka an awesome tool to prevent your friends from messing up your data)

If you've ever wanted to leverage the power of Data Validation in Excel combined with the flexibility of Web Excel, now you can!  In this post we walk through an example of how easy it is to collect information from a group of friends through Web Excel without having to worry about managing emails, receiving incorrect data, or manually aggregating information.   Read on to learn more!