AdMob is for mobile app developers. AdSense is for mobile web publishers.
In other words, AdMob will provide ads for mobile applications
("apps") and AdSense will provide them for web-based advertising (i.e.
mobile websites; websites designed for mobile devices).
I think "backfill" will go away because when the integration is
complete, there will not be a difference between AdMob and Adsense app
ads so "backfill" will have no meaning. I do not think we should be
concerned about losing revenue because of this article (there are
reasons to be concerned, e.g. declines in users, app interest,
advertiser interest, etc. - but none of that is in the article)
It appears to be an attempt to communicate to the public the
transition of Adsense to AdMob for mobile applications. However, the
author is not an app developer and she is not writing it for us, but
rather for the general public. So she is trying to interpret and
summarize what we are living through. I don't see anything in the
article that is inconsistent with current AdMob/Adsense direction or
communications with us. It should assure us, actually, that Google is
fully behind AdMob as the mobile app advertising solution going
forward.
-Jim
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Thanks,
SPA Support