With Viary, you don't have to worry about being online (send invitations).

Viary is a collection of web applications. It includes image editing, audio and video editing, 3D editing, etc. This article mainly introduces one of its very stunning features - Dodo is an online time machine. It can rely on a photo you upload, and then through Dodo's transformation, it allows you to travel through the tunnel of time and space at will, to see what this picture will look like in a few years.