Virtual 'top hats' ensure swarming drones won't crash
Georgia Tech's robotics lab figured out how to keep swarms of quadcopters flying in tight formation.
Intel unveils a drone made for aerial light shows
Shooting Star can fly safely in massive swarms.
Foursquare's revamped city guide app puts search at its center
Swarm, meanwhile, lets you use virtual coins to score real-life deals.
ICYMI: Amazingly old sharks and drones for the sea
Carbon dating on these sharks shows an average age of 272.
Swarm brings back Foursquare's real-world perks
Checking in at the right places could give you discounts and prizes.
You can predict city gentrification through check-ins and tweets
Twitter and Foursquare data shows where the well-to-do are likely to move next.
Swarm turns your check-in history into a detailed lifelog
Version 4.0 uses app activity to show where you and your squad spend the most time.
Foursquare's new CEO to shift company focus beyond consumers
It made a majority of last year's revenue from B2B, not consumers.
Foursquare dusts off its leaderboards for Swarm
Swarm version 3.0's new leaderboard ranks you based on the number of coins you earn for checking in.