google's click to call
here's some fresh news for adwords users. Google started testing their new application, called click to call (screenshots, FAQ, slashdot). It's basically an extension to Adwords, by which advertisers can reach web users by phone. The search for certain keywords brings a small telephone icon, and when it is clicked, one can enter his phone number. Then Google calls both parties, via some VoIP protocols it seems, and connects them. The billing is done on the advertiser side; via adwords, therefore the call is free for the user. Google invested a lot into VoIP protocols, and will probably loose money at first by investing them into infrastructure, but will soon recover them via adwords. Most adwords advertisers already have up to date phone numbers in their accounts, therefore just one approval away, we'll see massive scale phone advertisement real.
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