2. Getting and sharing
Cleaning
Analyzing
Visualizing and mapping
3. Don’t have to buy/license your own software
No software to install (for the most part)
Web service hosts data
Data accessible
Can share with the world
4. Give up control of data
◦ Read the terms of service
◦ Legal constraints
Downtime for web applications
Services go out of business/lose traction
◦ Swivel
◦ Needlebase (June 1, 2012)
Poor documentation and user interfaces