Tom Keating has some great analysis on what is happening with Google and Skype interoperability as well as the reasoning behind the deal and who the winners and losers might be. He also has a take on entries from Russell Shaw and Andy Abramson.
Mae Kowalke also has some analysis of this story as part of a broader eBay/Google announcement/partnership.
One thing is for certain – click-to-call advertising has tremendous potential for all the businesses out there who are already using click-based ads. In addition those companies that don’t use click-to-talk are likely to try click-to-call. Examples are restaurants, local merchants, etc.