[PATCH evdev 0/3] Preliminary support of multitouch (rev4)

[Henrik Rydberg]

Peter Hutterer wrote:
[...]
>> On the other hand, some devices carry a tiny be of extra information through the specific contact id's, and they are not strictly the lowest set of numbers needed to express the contacts that 
>> are active or have been activated since the last period of inactivity.  From what I've heard the magic mouse (again) is one such example.  I haven't actually poked around enough to see it.
> 
> do you have any info on what this extra information could be?

You sit at a coffee table, coated with the finest multitouch film there is. You
put down the tea cup and leave for the restroom, taking the btwallet with you.
As everybody knows, once the btwallet is off the table, you are logged out. You
come back, log in. Did anyone drink from your cup?

Henrik