ListenLog Meeting Notes

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Below are meeting notes and ongoing issues and action item lists. For a detailed description of ListenLog, visit the main ListenLog page.


Parking Lot

  • Where is data stored (by default)? Does it sync to a local store or just stream out?
  • Is there any concern from collaboration stations and partners that there's no exclusive access to data / analytics?
  • What data do we capture? Application behavior data in addition to basic listen data? What about rating data? Location data?
    • Should the standard by minimal for extensibility vs. maximal for enhanced value/functionality
    • Privacy concerns (EFF Chair Brad Templeton)
  • Security / encryption on the stored data? Which bits?
  • How best to communicate and promote the ListenLog concept and where the key benefits and differentiators are? How do we address naysayers and differentiate from alternative approaches, e.g. APML?
  • How do we do identity? How do we make it swappable? Do we use icards, openID, Oauth?
  • How do we start the service without identity? (e.g. access to device ID?)
  • Do users have control over what's stored?
  • What's the absolute minimum of device-side functionality?
    • Opt-out(?)
    • Change repository
    • Assign identity
  • Where does legal and TOS come in? (see rights and contracts below)
  • Does anyone enforce standards compliance?
  • Who does the work / coding?
    • PRX + who?
  • Do we think about revenue / sustainability? PRX has two roles here - one to build codebase and standards for storage, the other to think about services and how we'd use the data.
  • Do we do opt out for data capture? (probably yes)
  • Do we provide "public by default," e.g. ubiquitious, anonymous access to the data out of the box (probably no)
  • Can we open source iphone bit? Publicly available libraries?
  • What's in the first release?
    • Should we provide ability for users to release data? How and to whom? What capacity for sharing? What terms? Anon vs. nonanon?
  • Does there need to be database legal protection underlying data rights access to drive user terms?


  • How do we make the data inherently more anonymous?
    • Match account data between logs
    • Make timestamp and LAT-LONG fuzzy?
  • What data rights can a user authorize for third parties?
    • propagation rights (the grantee can't extend to someone else)
    • public rights vs. directed/granted rights (e.g. for anyone to use vs. for specific entity to use)
      • anon/non-anonymous
      • Most rights issues/rats nests are associated with granted rights
    • How long you can use the data for? Keep the data?
    • Rights to cease use, remove data(?) + confirmation(?)
    • Can't use this to try and find/identify someone - reverse-engineering rights
    • commercial/non-commercial?
    • Contact me (e.g. DNC)
    • Compare to IRB
  • Contract rights
    • Investigate proactively - what is it that pandora might want to do? What is reasonable?
      • give me audio recommendations
      • use for product development
    • Don't cross-correlate/aggregate (e.g. social network correlation, Ben Laurie) - piercing identity/privacy data
    • Endorsement / assignment to my identity

Core Requirements

  • what data is going to be captured
  • where is it stored and in what format
  • how does one identify oneself / assign identity
  • what's the minimum functionality that needs to live on the device
  • what's the minimum functionality that needs to live remotely
  • additional / core functionality to prove value necessary?
  • Determine protections for communication and storage between client app and repository authenticated, encrypted, etc.

Action Items

  • Draft functional requirements
  • Doc talk to Berkman legal re: user rights / terms