Table 3.

Overview of design recommendations.

Age group	Recommendation
Young adults	Have preexisting expectations based on social networking experience. Expect integration with existing social networking sites.
Middle-aged adults	Should support smaller social networks and existing relationships. Needs to support different modes of sharing besides broadcast. Have a low barrier of entry. Support intermittent, episodic use.
Older adults	Support different modes of sharing besides broadcast; simplify the process of preselecting recipients to receive information. Have a low barrier of entry. Allow for 1-way or aggregate sharing.