Wallwisher - web page 'wall' for ... whatever

About Wallwisher: "Wallwisher is an Internet application that allows people to express their thoughts on a common topic easily. ... A wall is basically the 'web page' where people actually post messages. ... * Personal note taking * To-do lists * Party Invitations * Feedback Collection * Wishing people on occasions, like birthdays, anniversaries * Anything that might need input from a lot of people, eg. a Mac Vs PC wall (that'll be a war, not a wall actually). ... you can set a wall to be private. In that case only you can see or add notes to the wall. Ideal for personal stuff like things-to-do. ...You can start building a wall straight away. We will, however, need your email address. A temporary account will be created for you using your email address so that you can come back and make changes to the wall. You can use this account for all your subsequent visits to this site, or if you dislike us so much, keep using the site as a stranger."