Abstract: A filter adapter removably attachable to a faucet assembly of a beverage server is disclosed. The filter adapter filters elements flowing from the beverage server and includes a body having an opening, an outlet passage, and a filter material. The filter material is seated inside the body through the opening and along the outlet passage. The filter material captures undesirable elements, thereby preventing these elements from dispensing into a beverage container.

Abstract: A non-transitory machine-readable media embodying instructions executable by one or more processors to perform a method is provided. In one aspect, the method includes receiving, from a first computing device associated with a first account, a request for interaction with a second computing device associated with a second account, wherein the first account is assigned a quota for interacting with one or more accounts. The method includes determining a cost associated with the interaction. The method includes, when the quota exceeds the cost, determining that the interaction is allowed and deducting the cost from the quota. Systems and methods are also provided.

Abstract: A non-transitory machine-readable media embodying instructions executable by one or more processors to perform a method is provided. In one aspect, the method includes receiving, from a first computing device associated with a first account, a request for interaction with a second computing device associated with a second account, wherein the first account is assigned a quota for interacting with one or more accounts. The method includes determining a cost associated with the interaction. The method includes, when the quota exceeds the cost, determining that the interaction is allowed and deducting the cost from the quota. Systems and methods are also provided.