$ sudo apt-get install unity-scope-click
[sudo] password for townsend: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  account-plugin-ubuntuone libboost-locale1.58.0 packagekit packagekit-backend-aptcc packagekit-tools python3-packagekit qml-module-ubuntuone unity-scope-click-departmentsdb
Suggested packages:
  packagekit-backend-smart
The following packages will be REMOVED:
  python3-aptdaemon.pkcompat
The following NEW packages will be installed:
  account-plugin-ubuntuone libboost-locale1.58.0 packagekit packagekit-backend-aptcc packagekit-tools python3-packagekit qml-module-ubuntuone unity-scope-click
  unity-scope-click-departmentsdb
0 upgraded, 9 newly installed, 1 to remove and 0 not upgraded.
Need to get 1,205 kB/1,216 kB of archives.
After this operation, 5,429 kB of additional disk space will be used.
Do you want to continue? [Y/n]