you can

You can manage your friends list easily to always accept mail from friends

You can confirm that your database YAML file is being parsed properly.

You can chat, download files from friends, view their photos and share files.

You can simulate the MySQL group_concat aggregate.

You can use HFS (HTTP File Server) to send and receive files.

You can convert any format video to WebM for html5 video.

You can use this to export the strange Wordpress RSS file format.

You can create unlimited number of PDF to Flash magazines.

You can easily create high quality GIF animation files from video clips.

You can correct your images blurred by camera shake or out-of-focus.