Previewing chat communications prior to joining a conference

1. A method, comprising:

transmitting, to a client device, a graphical output for a conference that is in progress, the graphical output configured for display on the client device and comprising a response option to initiate an in-conference communication application associated with the conference;

prior to the client device joining the conference:

granting the client device access to the in-conference communication application based on a request to communicate with a participant device;

receiving, via the in-conference communication application, a chat message from the client device, wherein the chat message is an automatically generated message based on historical conference data associated with a user of the client device; and

updating a topic of the conference based on the chat message.

2. The method of claim 1 , wherein the graphical output triggers a display of one or more predefined messages.

3. The method of claim 1 , wherein the graphical output triggers a display of one or more predefined messages, and wherein at least one of the one or more predefined messages includes an estimated time of arrival (ETA) of a user of the client device when the user is in a vehicle or the client device is the vehicle.

4. The method of claim 1 , wherein the graphical output triggers a display of one or more predefined messages, wherein at least one of the one or more predefined messages includes an estimated time of arrival (ETA) of a user of the client device when the user is in a vehicle or the client device is the vehicle, and wherein the ETA is based on navigation data.

5. The method of claim 1 , wherein the response option is a single-click response option.

6. The method of claim 1 , wherein a user of the client device is a non-host of the conference.

7. The method of claim 1 , wherein the graphical output includes a conference status that indicates that the conference is in progress without participants.

8. The method of claim 1 , wherein the graphical output is displayed on a persistent panel interface that remains on top of a display of the client device.

9. A system, comprising:

a client device; and

a server configured to transmit a graphical output for a conference that is in progress, the graphical output configured for display on the client device and comprising a response option to initiate an in-conference-communication application associated with the conference;

the client device configured to display the graphical output; and

prior to the client device joining the conference, the server configured to:

grant the client device access to the in-conference communication application based on a request to communicate with a participant device;

receive, via the in-conference communication application, a chat message from the client device, wherein the chat message is an automatically generated message based on historical conference data associated with a user of the client device; and

update a topic of the conference based on the chat message.

10. The system of claim 9 , wherein the graphical output triggers a display of one or more predefined messages.

11. The system of claim 9 , wherein the graphical output triggers a display of one or more predefined messages, and wherein at least one of the one or more predefined messages includes an estimated time of arrival (ETA) of a user of the client device.

12. The system of claim 9 , wherein the graphical output triggers a display of one or more predefined messages, and wherein at least one of the one or more predefined messages includes an estimated time of arrival (ETA) of a user of the client device, and wherein the ETA is based on traffic data.

13. The system of claim 9 , wherein the in-conference communication application is a chat room configured for audio messaging.

14. The system of claim 9 , wherein the graphical output includes a conference status that indicates that the conference is in progress with participants.

15. The system of claim 9 , wherein the response option is a single-click response option.

16. A non-transitory computer-readable storage device including program instructions that, when executed by a processor, cause the processor to perform operations, the operations comprising:

transmitting, to a client device, a graphical output for a conference that is in progress, the graphical output configured for display on the client device and comprising a response option to initiate an in-conference communication application associated with the conference;

prior to the client device joining the conference:

granting the client device access to the in-conference communication application based on a request to communicate with a participant device;

receiving, via the in-conference communication application, a chat message from the client device, wherein the chat message is an automatically generated message based on historical conference data associated with a user of the client device; and

updating a topic of the conference based on the chat message.

17. The non-transitory computer-readable storage device of claim 16 , wherein the in-conference communication application is a chat room configured for video messaging.

18. The non-transitory computer-readable storage device of claim 16 , wherein the graphical output is displayed on a persistent expandable panel.

19. The non-transitory computer-readable storage device of claim 18 , wherein the graphical output is displayed on a persistent expandable panel when the persistent expandable panel is in an expanded state.

20. The non-transitory computer-readable storage device of claim 18 , wherein the graphical output includes a conference status that indicates that the conference is in progress.