Abstract: A fastener includes a body that defines an opening at one end of the body. The opening is defined by a first edge of the body, a second edge of the body, and a third edge of the body. The opening is configured to receive a chalk line. The fastener also includes a pin extending from the body, and a spacer at an end of the body opposite the opening. The spacer extends in the direction opposite the pin. A clip is at a distal end of the spacer from the body. The clip includes a pair of teeth.

Abstract: A fastener includes a body that defines an opening at one end of the body. The opening is defined by a first edge of the body, a second edge of the body, and a third edge of the body. The opening is configured to receive a chalk line. The fastener also includes a pin extending from the body, and a spacer at an end of the body opposite the opening. The spacer extends in the direction opposite the pin. A clip is at a distal end of the spacer from the body. The clip includes a pair of teeth.

Abstract: A device comprising includes a housing and a plug adapter configured to engage a wall outlet to receive power from the wall outlet and retain the device against a wall with respect to the wall outlet. The device includes one or more speakers, one or more wireless transceivers for communicating over a wireless network, and one or more microphones. The device also includes an audio processing device and a processing unit. The audio processing device is configured to receive audio from the one or more microphones and detect voice commands. The processing unit is configured to, in response to the voice commands, trigger one or more of audio playback and a two-way voice call.