Link roundup for 7/2/07

All aboard: Google has acquired GrandCentral Communications, a service for managing phone and voice features such as simultaneous ring and web based voicemail. Signups are temporarily limited.

Nielsen Adds to Cellphone Tracking - New York Times: By acquiring the Telephia service Neilsen adds the ability to track consumer behavior such as mobile messaging and web browsing to it’s portfolio.

Spammers Are Playing Your Boss For A Sucker: an article from Internet News describes a recent spam with trojan payloads sent to corporate executives that included the targets name and job title in the message.