Tech

LinkedIn touted tens of millions of registered accounts in 2010 — but how many were actually active? On dormant users and network effects.

Google's Hotpot brought friends' recommendations to local business ratings in November 2010. Another genuinely good Google social product that couldn't beat

Project Titan revealed: Facebook Messages — unified inbox, no subject lines, @facebook.com addresses. Zuckerberg said it was 'not an email killer.'

In 2011 Google acquired a face-recognition startup — and then refused to ship the technology. The story of the one product Google held back.

Google's Chrome team is footing the bill for free Gogo Wi-Fi on AirTran, Delta, and Virgin America flights from November 20 to January 2 — about 15 million

N.R. Narayana Murthy built Infosys into an idea as much as a company. Can India's most famous IT firm ever step out of its founder's shadow? An editorial.

Before smartphones, finding a local business in an Indian city meant phone directory services — one call and a patient operator did what Google Maps does now.

In 2010 two driverless vans drove 13,000 km from Italy to China. Nobody paid much attention then. The future of the automobile was already on the road.