Google Apps is a suite of cloud-based productivity and collaboration tools including Gmail, Talk, Calendar, and Docs. It allows users to access emails, documents and calendars from anywhere while reducing IT costs and complexity compared to on-premise solutions. Google Apps offers features like 25GB of email storage per user, spam filtering, video sharing, and real-time collaboration on documents. It aims to help businesses be more productive by saving employees time spent searching for information and making intellectual property more accessible.