[Turning off swirling particles?]

I am wondering if it is possible to turn off the particle swirls that happen when I right click the ground or objects in world? I am not talking about selection beams, that I already have turned off. I've also disabled the particle effects when I am giving someone an item.

[Is it possible to get a list of all of the names that have been registered with my email address?]

Is it possible to get a list of all of the names that have been registered with my email address? If so, how can I do this?