Here's a table of contents for some useful articles and videos to get you started on your Socrata site:

• General
  • The Socrata Platform Video Demo: 5 minute overview
  • Navigating the dataset catalog
  • Navigating the dataset page
• Publishing via the User Interface
  • Importing Data
  • Publishing Data
  • Publishing Overview
  • Making a dataset show up to the public
  • Replacing or appending an existing dataset
  • Changing a column name
• Working with datasets
  • Searching for data inside a dataset
  • Commenting on a dataset
  • Commenting on a cell
  • Filtering a dataset
  • See datasets that are shared with me
  • Attaching a file to a dataset
  • Understanding which file formats are available for downloading
  • Working with private datasets
  • Making a dataset public or private
  • Notification
• Visualizing data
  • Sorting a dataset
  • Creating a map
  • Creating a bar chart
  • Creating a pie chart
  • Saving a visualization
  • Creating a flyout
  • Conditional formatting
  • Faceted browsing
  • Adding an ESRI map
• Administrative Functions
  • Updating Home page
  • Resetting your password
  • Using custom metadata
  • Moderation: Comment and dataset 
  • Using Sitewide Analytics
  • Managing user accounts and roles
  • Understanding User Roles