Radar's top stories: May 23-27, 2011

Mobile apps and the quiet handling of data
PC-based applications often have to get clearance from users before they can gather and transmit data. Mobile apps, however, follow a different path. Peter Bennett takes an in-depth look at the differences.

Want to know where to build a new store? Check your human density data
During a recent interview, Skyhook co-founder and CEO Ted Morgan discussed “human density data.” Learn what that is and how Skyhook’s SpotRank product harnesses it.

Lessons of the Victorian data revolution
Transaction costs. Crowdsourcing. The politics of data. You might think these are modern concepts, but Pete Warden traces all of them back to the Victorian age.

At the eG8, 20th century ideas clashed with the 21st century economy
While the first eG8 Forum in Paris featured hundreds of business and digital luminaries, some of the policies discussed should be of serious concern to citizens around the world.

Google opens its Wallet
Dave Sims digs into Google’s new Wallet to see if this latest combination of mobile devices and a payment system is ready for mainstream adoption.