Executing gestures with active stylus

1. A stylus, comprising:

a body having a first portion that includes a textured surface; and

an electrode operable to wirelessly transmit a signal to a touch sensor of a device,

wherein the stylus determines a first functionality of the stylus based on one or more gestures of a first object detected on the textured surface of the first portion, the stylus determines a second functionality of the stylus based on one or more gestures of a second object detected on the textured surface of the first portion.

2. The stylus of claim 1 , wherein the one or more gestures include at least one of tapping the textured surface of the first portion or sliding an object across the textured surface of the first portion.

3. The stylus of claim 1 , wherein the first portion includes at least one of groove or ridges.

4. The stylus of claim 1 , wherein the one or more gestures of the first object includes sliding one or more objects across the textured surface of the first portion.

5. The stylus of claim 1 , wherein a first object is a finger and a second object is a fingernail.

6. The stylus of claim 1 , comprising a tip, wherein the first portion is proximate to the tip.

7. The stylus of claim 1 , wherein the first and second functionalities of the stylus are chosen from a group comprising:

transferring data between the stylus and the device;

accessing menus or commands specific to data stored by the stylus;

accessing menus or commands specific to content displayed by a display of the device;

modifying content displayed by the display of the device;

authenticating a user of the stylus to the stylus; or

altering a power setting of the stylus.

8. The stylus of claim 1 , wherein a third functionality of the stylus is determined based at least on a vibration of the stylus resulting from an object touching the stylus.

9. The stylus of claim 1 , wherein a third functionality of the stylus is determined based at least on:

data stored by the stylus; and

a specific order of a sequence of movements of the stylus.

10. The stylus of claim 1 , wherein at least one of the first functionality or the second functionality of the stylus comprises modifying content displayed by a display of the device, wherein the modifying comprises one or more of:

adding content displayed by the display of the device;

removing content displayed by the display of the device;

altering characteristics of content displayed by the display of the device; or

moving content displayed by the display of the device.

11. The stylus of claim 1 , further comprising a sensor operable to detect a stylus movement, wherein the sensor is at least one of an accelerometer, a magnetometer, a global positioning system (GPS), or a gyroscope.

12. A method, comprising:

detecting, by a sensor on a stylus, a first object sliding on a textured surface of a first portion of the stylus,

wherein the stylus includes an electrode that wirelessly transmits a signal to a sensor of the device;

determining, by the stylus, a first functionality of the stylus based on a gesture of the first object detected on the textured surface of the first portion;

detecting, by the sensor on the stylus, a second object on the textured surface of the first portion of the stylus; and

determining, by the stylus, a second functionality of the stylus based on a gesture of the second object detected on the textured surface of the first portion.

13. The method of claim 12 , wherein the first object is part of a same component as the second object.

14. One or more non-transitory computer-readable storage media embodying logic that is operable when executed to:

determine a first functionality of the stylus based on a gesture of a first object detected on a textured surface of a first portion of the stylus; and

determine a second functionality of the stylus based on a gesture of a second object detected on the textured surface of the first portion of the stylus,

wherein the stylus comprises an electrode that wirelessly transmits a signal to a touch sensor of a device.