Looking at it, it appears to cover only equities and ignores all other financial products, which renders the "90%" claim risible. To claim that a good example of the other 10% is the location of oil tankers is either deliberately misleading or highly misinformed.

I don't doubt you've put some effort into making a good platform, but anyone can make a deal with some exchanges to get their trade feed.

Fixed Income products are Bloomberg's main strength, and in that world there are no shortcuts - you have to get as many bond traders as possible to send you their pricing. Bloomberg prices millions of fixed income products based on thousands of sources. Not to mention that a lot of the bond trading itself happens via the Bloomberg messagaing system.