An Active User is defined as a Resident who has logged into the system for longer than 1 Hour for the reported time period. Active users could include Alternate accounts, if those accounts are being used for longer than 1 hour.
Concurrent Residents are determined based on sampling the Presence information (a Backbone service) to determine the total number of currently logged-on users for the system. Concurrency for reporting history and the public data feeds is typically sampled every 10 Minutes.
Resident-reported at signup of account, referring to the Gender of the customer controlling the avatar.
A Monthly snapshot of the overall state of the Linden Economy. Second Life has its own unit-of-trade, the Linden Dollar. Residents use their Linden Dollars to pay for goods and services provided by other Residents.
Linden Resident Balance
The total Balance of Lindens owned by residents is recorded at the Beginning and End of every reporting period.
Sinks to LL
Several types of payments of L$ are economic 'Sinks' that move L$ back to Linden Lab - including Classified Advertising fees, Content Uploading Fees, Group Creation Fees, Land Use payments and Premium Account fees.
Land Size is the total monthly summary of square Meters of land available on Simulators on the Production Adult Second Life Grid, including both Mainland (Linden-owned) and Estate (private island-owned) simulators.
The LindeX is a Linden Dollar exchange provided by Linden Lab, offering residents of Second Life the ability to either buy or sell Linden Dollars. Charges are for purchasing Linden Dollars and are placed on the same form of payment you have setup in your account settings for your Second Life account.
Logged In Users
A Logged in User is a user who has connected to the Second Life grid using the client during the reported time period. Currently both User Counts and Hours Spent Inworld are reported for Logged In Users, and broken down by Gender. Logged-in figures include both "Starting"/"Browsing" users as well as Active Users.
LL L$ Sales
LL US$ Sales
The count of all accounts paying for Premium access, whether Monthly, Quarterly, Annual, or Lifetime Premium accounts. Premium residents receive a Stipend and are not "Basic" accounts, and are provided a higher level of support service.
A Registered User (a.k.a. "A Resident") is a user who has created an account via the Secondlife.com account registration page or a 3rd party Registration API website, and that account provides the user with the license to log onto the Second Life grid and to use the services on the Secondlife.com website system. Total Resident count includes Alts (Alternate Accounts) and users who set up a resident account but have not yet continued to log onto the Second Life grid, for reasons including "Insufficient Video Card", "No Broadband", and "Cannot download client program onto this (work) machine".
See Registration Count.
Total Hours is the cumulative summary of all time spent inworld by all Users who logged into the system. This number is more inclusive than the Total Hours spent by Active Users.
Unique is the count of residents that excludes Alts (Alternate Accounts). This includes registration IP, address information and MAC address. The calculation also includes individuals that have not logged in, on the "Population" tab of the published monthly reports.