Hi, Would you please consider using COOKIE_DOMAIN to set the cookie? This is helpful to users like me that define the WordPress cookie domain to only set cookies on the www subdomain b/c we use cookie-less subdomain to serve static content like images for speed reasons. Currently, Wassup sets cookies on domain.com, it seems, which causes its cookie to be sent with images (& thus all other cookies drop with it) harming site performance. Thanks! http://codex.wordpress.org/Editing_wp-config.php#Set_Cookie_Domain
p.s. Wassup with the <meta name="wassup-version" content="XXX"> usage? Is this to footprint wassup? Is there any chance you'd consider removing it please? It's unneeded code that is one more plugin contributing to code bloat. I've removed it manually for now, but it's something to think about please.
You've got a cool plugin. Just wanted to drop your some tips and thoughts. Good work!
Cheers.