More from Muhammad's blog..
"Everyday a new company announces a 'new' product which is nothing more than the old product with slight modifications or a few small additional features. This mentality is not only bad for users but also for marketers and even the startups.
A prime example of this phenomenon can be witnessed by comparing Dodgeball, Twitter, Jaiku, Tumblr, Pownce and a plethora of other microblogging tools. 90% of the services these different tools offer are the same, and the 10% that differentiates them is not significant enough to make most users switch."