I tweaked Google Calendar once and stopped double-booking forever (and you should too)

By making my availability explicit, I no longer have to repeat it in emails or risk forgetting to decline an invite. To set ...
Morning Overview on MSN

12,000-year-old site may be the world’s first calendar

Scientists have uncovered a 12,000-year-old monument that may represent humanity’s oldest calendar, a groundbreaking discovery in the field of archaeology. This ancient structure could redefine our ...