* Password field for creating new sends should be named differently, as by default Firefox autocompletion puts there my account's password there. Potentially should be exposed from OPTIONS panel. Alternatively it can be generated by default, and then once the message is created, will be shared to the creator - or stored in options menu of my sends
* Missing an option to expire message after first opening. It's like a self destroyable notification that can be read only once. Why? For the instance if I share some confident information with someone that I know is going to open very soon, then once he/she opens the message it will be destroyed, so that if somebody accesses either my or my friend's machine, it will be impossible to read the secret message. Another aspect is that if my friend will try open the secret message, and it will show that message doesn't exist / was destoryed - then we know that message was compromised.