I actually built something similar at a hackday a few weekends ago specifically for startup people (i.e it showed you investors, journalists, etc. who followed

I actually built something similar at a hackday a few weekends ago specifically for startup people (i.e it showed you investors, journalists, etc. who followed you): http://startupfollowers.com http://startupfollowers.com (although far more crude/hacked together than fruji)