Systems and methods for managing user-specific modifications to shared content on an individual basis

1. A method of managing shared content on a server in a communications network, the method being performed by one or more processors of the server and comprising:

receiving a request to send a modification message from a computing device of a first user of a plurality of users in the communications network, wherein the request includes information identifying a first modification to a master copy of content stored by the server and a second user of the plurality of users to which the modification message is to be sent, wherein the first modification is attributed to a first user-specific version of the content, and wherein the first user-specific version of the content is associated with the first user;

determining a second modification to the master copy of the content based on (i) the first modification to the master copy and (ii) a second user-specific version of the content, wherein the second user-specific version of the content is associated with the second user;

transmitting the modification message, to a computing device of the second user, wherein the modification message includes information identifying the second modification to the master copy of the content and the first user as a sender of the modification message;

receiving a response from the second user accepting or rejecting the second modification to the master copy of the content; and

based on the response from the second user, selectively attributing the second modification to the second user-specific version of the content without modifying the first user-specific version of the content.

2. The method of claim 1 , wherein selectively attributing the second modification to the second user-specific version of the content comprises:

attributing the second modification to the second user-specific version of the content in response to the second user accepting the second modification to the master copy of the content.

3. The method of claim 1 , wherein the second modification includes annotations or edits to the master copy of the content.

4. The method of claim 1 , further comprising:

receiving a plurality of requests to send modification messages from the plurality of users, wherein each of the plurality of modification messages is to be addressed to the second user;

generating the plurality of modification messages, wherein each of the plurality of modification messages includes a respective modification to the master copy of the content based, at least in part, on (i) a user-specific version of the content that is associated with a respective user of the plurality of users and (ii) the second user-specific version of the content; and

transmitting the plurality of modification messages to the computing device of the second user.

5. The method of claim 1 , wherein the modification message further comprises instructions to modify the second user-specific version of the content to reflect the second modification to the master copy of the content.

6. The method of claim 5 , further comprising:

receiving a gesture input from the computing device of the first user, wherein the gesture input corresponds to a selection of the second user via a user interface displayed on the computing device of the first user.

7. The method of claim 6 , further comprising:

displaying, in the user interface, a representation of the second user in association with the first user-specific version of the content.

8. The method of claim 1 , further comprising:

presenting the first user-specific version and the second user-specific version of the content on a user interface displayed on the computing device of the second user, wherein the content is divided into a plurality of segments;

indicating, relative to the master copy of the content, one or more modified segments from the first and second user-specific versions of the content;

receiving a selection input from the second user for at least one of the one or more modified segments from the first user-specific version of the content; and

based on the selection input, merging the at least one modified segment into the second user-specific version of the content.

9. The method of claim 8 , wherein the selection input corresponds with a gesture-based manipulation of the first user-specific version and the second user-specific version of the content.

10. The method of claim 1 , further comprising:

determining that the first user is authorized to send the modification message to the second user based on one or more policies.

11. A system comprising:

a delta manager to receive a request to send a modification message from a computing device of a first user of a plurality of users in a communications network, wherein the request includes information identifying a first modification to a master copy of content stored by the system and a second user of the plurality of users to which the modification message is to be sent, wherein the first modification is attributed to a first user-specific version of the content, and wherein the first user-specific version of the content is associated with the first user;

a delta resolver to determine a second modification to the master copy of the content based on (i) the first modification to the master copy and (ii) a second user-specific version of the content, wherein the second user-specific version of the content is associated with the second user; and

one or more processors to:

transmit the modification message to a computing device of the second user wherein the modification message includes information identifying the second modification to the master copy of the content and the first user as a sender of the modification message; and

receive a response from the second user accepting or rejecting the second modification to the master copy of the content; and

wherein the delta manager is to selectively attribute the second modification to the second user-specific version of the content without modifying the first user-specific version of the content based on the response from the second user.

12. The system of claim 11 , wherein the delta manager is selectively to attribute the second modification to the second user-specific version of the content by:

attributing the second modification to the second user-specific version of the content in response to the second user accepting the second modification to the master copy of the content.

13. The system of claim 11 , wherein the second modification includes annotations or edits to the master copy of the content.

14. The system of claim 11 , wherein the delta manager is to further:

receive a plurality of requests to send modification messages from the plurality of users, wherein each of the plurality of modification messages is to be addressed to the second user, and

wherein the delta resolver is to further generate the plurality of modification messages, wherein each of the plurality of modification messages includes a respective modification to the master copy of the content based, at least in part, on (i) a user-specific version of the content that is associated with a respective user of the plurality of users and (ii) the second user-specific version of the content.

15. The system of claim 11 , wherein the modification message further comprises instructions to modify the second user-specific version of the content to reflect the second modification to the master copy of the content.

16. The system of claim 15 , wherein the one or more processors are to further:

receive a gesture input from the computing device of the first user, wherein the gesture input corresponds to a selection of the second user via a user interface displayed on the computing device of the first user.

17. The system of claim 16 , wherein the one or more processors are to further:

display, in the user interface, a representation of the second user in association with the first user-specific version of the content.

18. The system of claim 11 , further comprising a merge module to:

present the first user-specific version and the second user-specific version of the content on a user interface displayed on the computing device of the second user, wherein the content is divided into a plurality of segments;

indicate, relative to the master copy of the content, one or more modified segments from the first and second user-specific versions of the content;

receive a selection input from the second user for at least one of the one or more modified segments from the first user-specific version of the content; and

based on the selection input, merge the at least one modified segment into the second user-specific version of the content.

19. The system of claim 18 , wherein the selection input corresponds with a gesture-based manipulation of the first user-specific version and the second user-specific version of the content.

20. The system of claim 11 , wherein the delta manager is to further:

determine that the first user is authorized to send the modification message to the second user based on one or more policies.

21. A non-transitory machine-readable medium having first instructions embodied thereon that when executed by one or more machines perform operations comprising:

receiving a request to send a modification message from a computing device of a first user of a plurality of users in a communications network wherein the request includes information identifying a first modification to a master copy of content stored by the one or more machines and a second user of the plurality of users to which the modification message is to be sent, wherein the first modification is attributed to a first user-specific version of the content, and wherein the first user-specific version of the content is associated with the first user;

determining a second modification to the master copy of the content based on (i) the first modification to the master copy and (ii) a second user-specific version of the content, wherein the second user-specific version of the content is associated with the second user;

transmitting the modification message to a computing device of the second user, wherein the modification message includes information identifying the second modification to the master copy of the content and the first user as a sender of the modification message;

receiving a response from the second user accepting or rejecting the second modification to the master copy of the content; and

based on the response from the second user, selectively attributing the second modification to the second user-specific version of the content without modifying the first user-specific version of the content.

22. The non-transitory machine-readable medium of claim 21 , wherein the first instructions cause the one or more machines to:

attribute the second modification to the second user-specific version of the content in response to the second user accepting the second modification to the master copy of the content.

23. The non-transitory machine-readable medium of claim 21 , wherein the second modification includes annotations or edits to the master copy of the content.

24. The non-transitory machine-readable medium of claim 21 , further comprising instructions for:

receiving a plurality of requests to send modification messages from the plurality of users, wherein each of the plurality of modification messages is to be addressed to the second user;

generating the plurality of modification messages, wherein each of the plurality of modification messages includes a respective modification to the master copy of the content based, at least in part, on (i) a user-specific version of the content that is associated with a respective user of the plurality of users and (ii) the second user-specific version of the content; and

transmitting the plurality of modification messages to the computing device of the second user.

25. The non-transitory machine-readable medium of claim 21 , wherein the modification message further comprises instructions to modify the second user-specific version of the content to reflect the second modification to the master copy of the content.

26. The non-transitory machine-readable medium of claim 25 , further comprising instructions for:

receiving a gesture input from the computing device of the first user, wherein the gesture input corresponds to a selection of the second user via a user interface displayed on the computing device of the first user.

27. The non-transitory machine-readable medium of claim 21 , further comprising instructions for:

presenting the first user-specific version and the second user-specific version of the content on a user interface displayed on the computing device of the second user, wherein the content is divided into a plurality of segments; and

based on the selection input, merging the at least one modified segment into the second user-specific version of the content.

28. The non-transitory machine-readable medium of claim 27 , wherein the selection input corresponds with a gesture-based manipulation of the first user-specific version and the second user-specific version of the content.

29. The non-transitory machine-readable medium of claim 21 , further comprising instructions for:

determining that the first user is authorized to send the modification message to the second user based on one or more policies.