Online sales over the Thanksgiving holiday weekend were good--so good, in fact, that research organizations and marketers are arguing over which day, "Cyber Monday" or "Black Friday," is the bigger deal. According to comScore Networks, Cyber Monday did $608 million in sales this year, a 26% hike from last year. But many e-tailers put out the sale signs on Black Friday, too, which resulted in $434 million in sales--a 42% hike on the day that is normally observed as a national mall holiday. Many guess that eBay was the biggest beneficiary on Friday, as the online …

Less than two weeks after Sony's official PlayStation 3 launch, the electronics giant has sidelined Ken Kutaragi, the chief engineer behind all three generations of PlayStation games consoles, as Sony Computer Entertainment's president and COO. The surprise move is technically a promotion, as Kutaragi becomes chairman and CEO. The move underscores Sony's difficulties in the video-game market. The undisputed leader of video games over the last 10 years, Sony is now betting the house on its PS3, after a terrible year for its other businesses. However, each new console cycle is like a clean slate, giving Sony's competitors …