This only occurs for 'hidden' networks. If you do not have any hidden networks in your known network list than you will not be broadcasting SSIDs. This is yet another reason to avoid setting your AP to hidden.
Do you have a source for this? Is there any documentation of this in the 802.11 spec? I'm also wondering if devices send a single probe per SSID they're looking for, or one probe with a list of SSIDs?
Incorrect, this occurs for all networks! I've had some fun with Wifi Pineapples before.
http://nakedsecurity.sophos.com/2012/10/02/what-is-your-phon...