 Other controllers include drum controllers and wind controllers, which can emulate the playing of drum kit and wind instruments, respectively.Nevertheless, some features of the keyboard playing for which MIDI was designed do not fully capture other instruments' capabilities; Jaron Lanier cites the standard as an example of technological "lock-in" that unexpectedly limited what was possible to express.Some of these features, such as per-note pitch bend, are to be addressed in MIDI 2.0, described below.