9. An apparatus comprising: a collector interface configured to monitor network traffic from a plurality of users including a first user and a second user and extract n-grams from the network traffic; a memory configured to store a personal vocabulary for at least the second user from the n-grams; and a controller configured to: identify a connection between the first user and the second user, wherein the connection is created from a trigger that includes a message including one or more subject matter keywords and the first and the second user as one or more of a recipient of the message, a sender of the message, or a part of a body or a header in the message; receive audio of the first user originating from audio content that does not involve the second user; and convert the audio of the first user into text using a language model based at least partially on the personal vocabulary of the second user and the connection between the first user and the second user, where the audio of the first user includes at least part of the one or more subject matter keywords.
9. An apparatus comprising: a collector interface configured to monitor network traffic from a plurality of users including a first user and a second user and extract n-grams from the network traffic; a memory configured to store a personal vocabulary for at least the second user from the n-grams; and a controller configured to: identify a connection between the first user and the second user, wherein the connection is created from a trigger that includes a message including one or more subject matter keywords and the first and the second user as one or more of a recipient of the message, a sender of the message, or a part of a body or a header in the message; receive audio of the first user originating from audio content that does not involve the second user; and convert the audio of the first user into text using a language model based at least partially on the personal vocabulary of the second user and the connection between the first user and the second user, where the audio of the first user includes at least part of the one or more subject matter keywords. 12. The apparatus of claim 9 , further comprising: a database configured to store the text in a searchable format.