The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.

When you initially create a Tumblr blog, each entry includes a line marking the time it was posted. As you blog evolves, its purpose may change, rendering these time stamps unnecessary. For example, ...

YouTube is trialing yet more features as part of its experiments and UI tests, the latest being an easier way to tag a time stamp within video comments. At the moment, you need to manually put a time ...