My buddies at Sense Labs just released a really cool iPhone app called Dropp. Allows you to leave location-based messages anywhere on Earth that people receive when they visit that location. Leave them privately for your friends, or publicly. Such a cool simple idea that could be used for so many things, from scavenger hunts, to marketing, to romance.
DigitalOcean joining forces with CSS-Tricks! Special welcome offer: get $100 of free credit.