And inside the container the user is able to share data between business apps (e.g. copy and paste text from an email into a CRM record), but corporate IT would of course not want data inside the container copy-and-pasted onto a non-container app such as Twitter or Facebook.
Gif's enduring popularity has also been helped by the fact it supports animations, making it easy for people to embed short clips into blogs, and copy and paste jokey looping video - such as odd actions by the actor James Van Der Beek - into discussion forums.