Today in Tech: HP to lay off 500+ employeesSeptember 20, 2011: 3:30 AM ET
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* Sources tell All Things D that HP (HPQ) is laying off as many as 525 employees whose work related to (now-defunct) webOS hardware. Indeed, in a statement, HP confirmed layoffs start this week but declined to specify the number. (All Things D)
* As reported yesterday, Google Wallet is now live, though its service remains limited to the Nexus S 4G on Sprint for now. Chris Ziegler over at This is my next has the review. (Business Insider and This is my next)
* TechCrunch reports that besides introducing social music services later this week at its f8 conference, Facebook will also unveil new buttons a la "Like," including "Read," Listened," and "Watched." (TechCrunch)
* Meet Ari Goldberg, the 29-year-old CEO of rising New York City-based fashion startup, StyleCaster. (Business Insider)
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