What do you think: how many technologies can a company adopt at once?

[maggiebutler]

I recently read this post by Tomasz Tunguz, Managing Director at Redpoint Ventures. He writes Here's how it starts:

An IT executive recently asked me this question. How many technologies can a company adopt at once, successfully? It’s a question I hadn’t paused to contemplate before that moment. And if you are a vendor, it’s not one that you think about very often either. But if you are a member of the IT team, it’s top of mind every day.

For operations, this is an important question. We are the ones who manage these technologies and create the processes / cross-functional management of how it all works. 

How many technologies do you currently manage? How many do you think you could manage at once?