The biggest trends spotted at CES 2013

LAS VEGAS— We saw 4k HDTVs, a Blu-ray resurgence, smart refrigerators and other intelligent appliances, cool PCs, slews of tablets, and much more.

Here is a round-up of our trend stories from CES 2013:

• OLED and 4K at CES 2013: The fantasy and the reality (video) 
• Tablets rule: Every shape, size, and OS emerges at CES
• 4K TV faces a long road to the mainstream
• CES: The phones have left the building
• This year, PC gaming breaks free from your desktop 
• CES reveals the four new rules of PC simplicity 
• Gadget makers get pumped up about health and fitness tech
• Damage Control: Durable devices will let gadget makers stand out (video)
• The open-source car: automakers eagerly woo app developers
• E Ink's future foretold at CES: Next-gen will be high-res, support color (video)
• Blu-ray looks ahead to 4K

For more blogs, stories, photos, and video from the nation's largest consumer electronics show, check out complete coverage of CES 2013 from PCWorld and TechHive.