I think whoever implements this type of model will eventually have the upper-hand, open-sourcing your code seems a small price to pay for robustness, auto-scali

I think whoever implements this type of model will eventually have the upper-hand, open-sourcing your code seems a small price to pay for robustness, auto-scaling and performance. I don't think Twitter's success is down to its code being proprietary. I think you're selling them short.