Abstract: A system and method for collaborative activity support is provided. A server establishes a collaboration place that is accessible by a plurality of remote clients and supports a plurality of collaboration activities. The server can be configured to provide primary display data to each of a plurality of client computers associated with the authorized users simultaneously accessing the collaboration place to cause each of the plurality of clients to display the primary display data in a primary display of a corresponding collaboration place interface. Responsive to detecting a request from a first collaboration place interface at a first client computer of the plurality of client computers to include a secondary display with the primary display in the corresponding collaboration place interface, wherein the secondary display is configured to display collaboration place data associated with a different collaborative activity than the primary display prior to escalation.

Abstract: Respirator masks may include a respirator mask body and a respirator mask gasket. The respirator mask body may include a plurality of openings for the exchange of gas and an air filtration media configured to filter particles from air passing into and out of the respirator mask body. The respirator mask gasket may be coupled to the respirator mask body and may be sized and shaped responsively to a three-dimensional scan of a portion of user's face including the user's nose and mouth and being configured to closely abut the user's face when worn. A combination of respirator mask body and respirator mask gasket may be positioned within a donning mechanism that facilitates positioning of the combined respirator mask body and respirator mask gasket over the user's face and retention thereon.