The network, called Ink, is based on the OP stack, a customizable framework that lets developers build their own rollups using Optimism’s technology. The team had originally planned for Ink to ...

Today, they’re still innovating, with modern ways for customers to buy HP ink cartridges that are seamless and continuous. HP’s subscription ink service called HP Instant Ink, means that customers ...

From dark, bold body art to the tiniest line tattoos to a cluster of ink drawings that form a larger whole, the celebrities on this list have shown ingenuity and detail in their wearable art.