Google Radio-active

Google looked to have embarked on a venture-capital crusade last year when it launched a host of wacky deals, including one with NASA targeting bio-info-nano convergence. Now, it seems that vision has matured into something more tangible. Take the search engine’s latest deal, to acquire dMarc Broadcasting, potentially its biggest takeover yet. At first blush, this seems like a rather simple leap by the tech behemoth into the old economy. After all, dMarc sells advertisements on that most cretac...