The idea of advertisements as CAPTCHAs is not new. For example, Solve Media filed a patent for this in 2010. However, I am not sure whether they have the additional complexity of customizing the ads for each user and using ads to give rewards, but given that Solve Media existed a long time before the IBM patent, that seems pretty obvious.
Screenshots of ...
This Patent Application received a non-final rejection by the US Patent Office! The rejection was based in part on prior art found by Ask Patents community in this answer!
Method for weather-based advertising
US 7080018 B1
priority date is May 10, 1999
A system and method that allows for weather-based planning of future activities and/or ...
It seems that (among what I'm sure are a million others) a company called Helihub has been doing this kind of context sensitive advertising based upon news stories for some time (September 2011):
They seem to focus on helicopter stories but there are categories within that are categorized ...
AdWords already has several 'scheduling' features detailed in the following link. Sounds very similar to the 'timer' claim this patent seeks.
A post on a Drupal plugin that lists "activation/expiration scheduling based on time, clicks or views" ...
There are two aspects to patentability: novelty and non-obviousness. Novelty relates to whether anyone else has applied the same solution previously. I can't answer that question in this case, but the patent examiner didn't find significant enough prior art to invalidate the claims. Second is non-obviousness. Your own reaction to this patent where you state "...
This patent is an implementation of RCF3835 that at first appears specific to Press Releases, but then in claim 2 is broadened to any content.
Claims 3 to 5 just describe a webpage
Claim 6 is a description of a Data Provider in RCF3835
Claim 7 to 10 is the application of analytics to "Sponsored Content" Which Google has been using in Adwords since ...
" Yahoo! tries to show you ads that are relevant to you. To do this most effectively, we may use information ...
This describes Google's "Google Display Network" from 2009, which sorts users into demographics based on their behavior, so that advertisers can show ads that are relevant to that demographic.
From the site:
"For example, if someone frequently visits sites that have a ...