16. The first electronic device of claim 10 , wherein the conversation is an instant messaging conversation, a short message service (SMS) conversation, a multimedia messaging service (MMS) conversation, an email conversation, or a voice conversation.
10. A first electronic device, comprising: an input unit; a display unit; memory; one or more processors; and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions: to listen to a conversation on the first electronic device; to determine whether the conversation satisfies a recommendation criterion; to determine whether at least one suggestion information exists in a database if the conversation satisfies the recommendation criterion, wherein the database comprises a local database associated with a plurality of applications installed in the memory; to display on the first electronic device at least one suggestion option related to the at least one suggestion information on the display unit if the at least one suggestion information exists in the database; to receive a selection signal of a target option selected from the at least one suggestion option; to transmit a query signal by the first electronic device, wherein the query signal is associated with the selected target option; and to monitor a feedback, wherein the feedback is associated with the query signal; wherein if the feedback is positive, to store the information related to the selected target option in at least one corresponding application installed on the first electronic device.