1. it relies on twitter.
2. “what’s popular” is pretty much universal. what’s ‘popular’ is mirrored by EVERY SINGLE OTHER SERVICE THAT EXISTS.
3. don’t even get me started on launching an app for iphone only.
4. their launch has been screwed (or engineered to look screwed/broken in order to tease/create buzz) at every turn since last week.
there is, unfortunately, nothing even the slightest bit interesting in this.