* Sources tell All Things D that HP (HPQ)is laying offas 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 Walletis 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)
* Fortune contributor Mark Suster on why Netflix (NFLX) CEO Reed Hastingsshould be applaudedfor splitting up the company's DVD and streaming businesses. (Fortune)
* TechCrunch reports that besides introducing social music services later this week at its f8 conference, Facebookwill also unveil new buttonsa 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)