ISSUE-5: Consensus definition of "tracking" for the intro?

Hi Team,

during our call, it seemed that the group was converging on a consensus 
for this definition of tracking (option 5 by Roy):

         Tracking is the collection of data across multiple parties' 
domains or services and retention of that data in a
         form that remains attributable to a specific user, user agent, 
or device.

It is our "old" definition - corrected for grammar.

Questions:
  (a) Are there further required improvements that we need to introduce?
  (b) Are there participants that cannot live with this style/type of 
definition (assuming we can provide the required final fine-tuning)?

Regards,
matthias