A new button in the Gmail compose window will give users the ability to attach a file (up to 10 Gb) from their Google Drive account rather than attaching the file itself to the message.
http://mashable.com/2012/11/27/gmail-10gb/
DawsonITE is a blog devoted to Educational Technology. It's compiled by Rafael Scapin, Coordinator of Educational Technology at Dawson College in Montreal (Canada).