A new Apple patent reveals new possible features for iMessage . The new technology could allow the planning of pre-written messages and / or sending this new automatically according to the current environment.
As indicated in the description of the patent, the user could, for example, set an automatic message to be sent to certain people when it comes to a specific location, and the same goes for when you leave a location. The example indicated in the document (a grocery store) also reveals that for this type of technology are fundamental to the potential of the GPS.
Also sending a message to the scheduled time can be very useful. A trivial example is for the birthday wishes.
Actually, there are already third party applications, such as IF by IFTTT, who perform similar actions. Then incorporating technology in future devices, Apple will eliminate the need to download third-party applications.