BSides Las Vegas na Twitteru: "The CFP for Proving Ground and Proving Ground Mentors is officially open. First time speakers are highly encouraged to apply. When you do, you'll get paired with a mentor who can help you prepare for your first talk! Apply Here: https://t.co/pULi2DOnb8… https://t.co/iDwRkZbiQU"

Država	Kod	Samo za korisnike
Sjedinjene Američke Države	40404	(bilo koje)
Kanada	21212	(bilo koje)
Ujedinjeno Kraljevstvo	86444	Vodafone, Orange, 3, O2
Brazil	40404	Nextel, TIM
Haiti	40404	Digicel, Voila
Irska	51210	Vodafone, O2
Indija	53000	Bharti Airtel, Videocon, Reliance
Indonezija	89887	AXIS, 3, Telkomsel, Indosat, XL Axiata
Italija	4880804	Wind
3424486444	Vodafone
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‏ @BSidesLV

The CFP for Proving Ground and Proving Ground Mentors is officially open. First time speakers are highly encouraged to apply. When you do, you'll get paired with a mentor who can help you prepare for your first talk! Apply Here: https://cfp.bsideslv.org/ pic.twitter.com/agrjkLHYiE