I closed my eyes and listened to the expo's cacophony of crap: stun gun demonstrations droning on in the background, weak applause, and cash registers ringing.
Those eyes are often attuned to what police eyes may not see: a poster in Pashto for a local demonstration against drone strikes; or a collection box on a deli counter seeking spare change for a charity suspected of having terrorist ties.
In a recent demonstration, a drone was used to hack Philips Hue Wi-Fi-enabled light bulbs.
For this demonstration, the drone flew at about 260 ft in the air, and is designed to operate in this band for safety purposes.
Last summer, following a large public demonstration against drones, I was one of five campaigners who entered RAF Waddington to disrupt the ongoing drone operations and try to break the secrecy surrounding the use of British drones.
"I was paying the bills with this," said Mr. Gárate, who recently gave an unpaid demonstration of his drone in this Southern California suburb.
The pizzamaker carried out a demonstration delivery by drone in Auckland on Thursday, and afterwards said it aimed to launch a regular service in late 2016.
Last weekend Mr. Khan led a motor cavalcade of supporters to the edge of the tribal belt as part of a demonstration against American drone strikes in the area — a theme that, until now at least, has frequently been a more concentrated focus of public anger than Taliban violence.
Yet in Pakistan, they carry greater significance, igniting huge and sometimes violent anti-American demonstration that make drones a toxic subject for generals and politicians alike.
Khan has led demonstrations over US drone strikes against Islamists in the west of the country and vehemently opposed Islamabad's decision to allow supplies for international forces in Afghanistan to cross Pakistani territory.
Late last week, TechCrunch has learned, Volans-i completed a 100-mile demonstration of their drones in Austin, Texas.
