Many countries are still grappling with the issues of crypto-currencies such as Bitcoin, which is just the best-known of the virtual cash.
Wozniak was invited on a speaking engagement to help inspire the company's engineers.
Bitspin said it is joining Google, implying the company and its Timely app are being acquired by the search giant.
Steve Ballmer's retirement leaves his still-unnamed successor a busy agenda and battles on many fronts.
Recent regulatory developments could slow the pace of investments in 2014, one expert said.
One in four cloud vendors will be gone by 2014, Gartner analysts predict.
Boston Dynamics' robots move like humans or four-legged animals, and one shifts its shape to fit through tight spaces.
Tokyo's world-famous Akihabara district lost one of its signature stores on Saturday, and with it a piece of the area's rich electronics history faded away.