|
|
|
|
|
|
by blacksmith_tb
1882 days ago
|
|
|
At a guess, for the same reasons visual ads are - they've got some kind of targeting logic that needs to pick from a pool of ads and send them to the viewer. Though of course if YT started serving them all from indistinguishable sources, or composited them together on the fly, or ... I'd be sad. |
|
|