GNOME 3.18 added the ability to access Google Drive directly from Files (Nautilus). To use this feature, all you have to do is add your Google account to GNOME Online Accounts and enable "Files":

Ubuntu 16.04 Xenial Xerus already includes GNOME 3.18 for the most part however, because Unity doesn't use GNOME Control Center (also known as GNOME System Settings or just Settings) and GNOME Online Accounts and instead, it ships with a fork (unity-control-center), it doesn't include this feature by default.

Even so, you can use the GNOME 3.18 Google Drive integration in Unity as well as other desktop environments, as long as you use Ubuntu (and derivatives: Xubuntu, etc.) 16.04 Xenial Xerus. This won't work with Ubuntu versions older than 16.04!

Update: this also works with Ubuntu 16.10 and Linux Mint 18.x.

The latest Plank 0.11.0 adds docklets support (the first four icons from the dock in the screenshot above are docklets: show desktop, clipboard manager, clock and trash), migration to GSettings for dock settings and more. 

Due to some Launchpad changes, the PPA package search feature available in Y PPA Manager stopped working properly a while back, returning just part of the search results. The latest Y PPA Manager 2016.03.11, which I released today, fixes this issue.

Here's a Y PPA Manager search for "nemo" (with Xenial set as the Ubuntu version under the Y PPA Manager settings), before and after this fix:

ownCloud, the free software alternative to proprietary web services such as Dropbox, Google Drive and others, reached version 9.

[Quick tip] Ubuntu Startup Disk Creator has been known to be buggy at times, so users have been looking for alternatives. Well, some might not be aware of this, but there's another GUI tool already installed by default in Ubuntu (w/ Unity) and Ubuntu GNOME, as well as other GNOME-based Linux distributions, which allows creating a bootable USB stick: GNOME Disks.

The application is free to use but not free and open source software, and it consists of two parts: the server, which you'll have to install on your computer, available for Linux (only deb files available), Windows and Mac OS X, and the mobile app, which runs on Android and iOS.

Unity doesn't support saving the current session and restoring it upon login for quite some time however, you can do this with the help of a script.