Selective display of past instant messages

1. A method for allowing selective display of past instant messages, comprising:

establishing an instant messaging session among at least two participants, each participant having an associated computer system, all of the associated computing systems in communication across a network;

displaying a list of instant messages between the at least two participants on monitors associated with the computing systems;

selecting at least one instant message from said list of instant messages using an access control, wherein said access control comprises a selection identifier displayed next to each instant message in said list of instant messages and indicates which messages are to be shared and which messages are to be kept private;

inviting at least one new participant to join the instant messaging session; and

when the selected at least one instant message corresponds to the at least one new participant, displaying the selected at least one instant message on a monitor used by the at least one new participant.

2. The method according to claim 1 , comprising displaying the selected at least one instant message on a monitor used by the at least one new participant.

3. The method according to claim 1 , wherein non-selected instant messages from said list are not displayed on the monitor of the at least one new participant.

4. The method according to claim 1 , wherein the selection identifier has a color code.

5. The method according to claim 1 , wherein said selecting the at least one instant message using an access control comprises manually selecting whether each participant views instant messages from said list of instant messages.

6. The method according to claim 1 , wherein said inviting the at least one new participant comprises sending the at least one new participant an invitation via e-mail.

7. The method according to claim 1 , wherein said inviting the at least one new participant comprises selecting the at least one new participant from a contact list within an instant messaging application.

8. The method according to claim 1 , further comprising identifying at least one instant message with at least one tag.

9. The method according to claim 8 , wherein said at least one tag corresponds to a tag listed in an at least one new participant's user profile.

10. The method according to claim 8 , wherein said at least one tag corresponds to a title of the at least one new participant.

11. The method according to claim 8 , wherein said at least one tag corresponds to a role of the at least one new participant.

12. The method according to claim 8 , wherein said at least one tag corresponds to a group or department to which the at least one new participant belongs.

13. The method according to claim 8 , wherein said at least one tag corresponds to a social networking relationship between a participant in an existing instant messaging session and the at least one new participant.

14. The method according to claim 8 , wherein if said at least one tag does not correspond to the at least one new participant, the participant who tagged the at least one instant message is prompted whether the at least one new participant should view the tagged at least one instant message.

15. The method according to claim 8 , wherein said at least one tag corresponds to a time identifier.

16. The method according to claim 1 , wherein the selection identifier comprises a box or radio button.

17. A method for allowing selective display of past instant messages, comprising:

establishing an instant messaging session among a plurality of participants, each participant having an associated computer system, all of the associated computing systems in communication across a network;

displaying a list of instant messages between the plurality of participants on monitors associated with the computing systems;

identifying at least one instant message with a tag;

inviting at least one new participant to join the instant messaging session;

if the tagged at least one instant message corresponds to the at least one new participant, displaying the at least one instant message having the tag on a monitor used by the at least one new participant; and

if said at least one tag does not correspond to the at least one new participant, the participant who tagged the at least one instant message is prompted whether the at least one new participant should view the tagged at least one instant message.

18. The method according to claim 17 , wherein said at least one tag corresponds to a tag listed in the at least one new participant's user profile.

19. The method according to claim 17 , wherein said at least one tag corresponds to a title of the at least one new participant.

20. The method according to claim 17 , wherein said at least one tag corresponds to a group or department to which the at least one new participant belongs.

21. A computer program product for allowing selective display of past instant messages, comprising:

a non-transitory computer readable storage medium;

first program instructions to establish an instant messaging session among a plurality of participants, each participant having an associated computer system, all of the associated computing systems in communication across a network;

second program instructions to display a list of instant messages between the plurality of participants on monitors associated with the comprising systems;

third program instructions to select at least one instant message from said list of instant messages using an access control, wherein said access control comprises a selection identifier displayed next to each instant message in said list of instant messages and indicates which messages are to be shared and which messages are to be kept private;

fourth program instructions to invite at least one new participant to join the instant messaging session; and

fifth program instructions to display the selected at least one instant message on a monitor used by at least one new participant, when the selected at least one instant message corresponds to the at least one new participant,

wherein said first, second, third, fourth, and fifth program instructions are stored on said computer readable storage medium.

22. The computer program product according to claim 21 , wherein the third program instructions further comprises identifying at least one instant message with at least one tag.