Getting it to about 90% working in a single country or just the general western sphere, probably 100 will suffice.
Making it globally available and legally compliant, that's where the next few thousand folks come in.
Making it globally available and legally compliant, that's where the next few thousand folks come in.
The people shouting loudly about how Twitter must have been so bloated are really just shouting their obvious inexperience working at global scales or their localized ambitions.
Could there be too many employees at Twitter? Sure. Most companies have dead weight. The number who were "extra" is probably not 9/10ths the employees though.