User interface placeholders for application extensions

A computer storage medium having computer readable instructions stored thereupon that, when executed by a computer, cause the computer to:

• suggest, at a user device executing an application program, an extension for activation at the user device;
• receive, at the user device, input for activating the extension;
• in response to receiving the input, insert a placeholder into a user interface presented at the user device, the placeholder comprising visual indicia associated with the extension;
• and
• initiate, at the user device an entitlement process to obtain rights to use the extension.

A computer storage medium having computer readable instructions stored thereupon that, when executed by a computer, cause the computer to:

• suggest, at a user device executing an application program, an extension for activation at the user device, the extension comprising computer-executable instructions for extending functionality of the application program;
• receive, at the user device, input for activating the extension;
• in response to receiving the input, insert a placeholder into a user interface presented at the user device, the placeholder comprising visual indicia associated with the extension;
• initiate, at the user device an entitlement process to obtain rights to use the extension;
• determine if the entitlement process is completed;
• and
• in response to determining that the entitlement process is completed, update the placeholder to indicate entitlement to use the extension at the user device.