General Infura Questions

Hello, trying to refresh public information on Infura - looking to find answers to these questions:

-Does Infura still offer free “base” services? If so, what does that entail vs paid services?
-Are there any specific initiatives Infura is taking to push towards a more decentralized infra service?
-What’s the ballpark number of daily API calls that Infura receives? ~10B?

. Appreciate any help the community can offer!