S-I-M-P-L-I-C-I-T-Y + C-U-S-T-O-M-I-Z-A-T-I-O-N
Twitter is a very simplistic core. Around that core is a whole ecosystem that adds value to Twitter. You have a large choice of “-Twitter clients”-, and there are plenty of websites out there that complement the basic Twitter service.
It is the anti-BetFair case. The future prediction exchanges will be built around a simplistic core, and there will be plenty of add-ons and complimentary services —-all of which will be optional, so as not to scare off the newbies.