It's a chicken-and-egg problem, but it's starting to improve.
Honestly if google really wanted to push this, they would do something to penalize http only ads. That would really pressure advertisers to upgrade or lose.
Honestly if google really wanted to push this, they would do something to penalize http only ads. That would really pressure advertisers to upgrade or lose.
* Images served over unencrypted connections will have 50% of their pixels randomly scrambled.