Callout star sticker. Starburst price badge. Vector. Burst promo shapes. Set red splash sunburst stamps isolated on white background. Round, cloud retail tag. Color illustration. Simple empty pricetag ...

Beginning at 8 a.m. on Friday, March 22, police officers and others in law enforcement worldwide logged into Twitter to participate in a 24-hour Global Police Tweet-a-Thon.The goal?