If you're in need of the ultimate do-it-from-anywhere collaboration tool, you've found it. Basecamp provides one organized space for teams to work in tandem--create collaborative to-do lists and zip around files, pictures, videos, and more.
Yammer is a Twitter/Facebook-like interoffice social network that's perfect for remote workers and freelancers. Share your ideas, files, photos, and receive a weekly digest of your office's activity.
(It's great for cat pictures too!)
Quip is a mobile word processor that allows users to collaborate on documents (or not) and utilize a range of features, such as "chat-like" updates, notifications, Interactive lists, and offline capabilities.
You already know about Skype (unless you're living in a hole, in which case you likely don't need Skype).
So if you haven't already, take advantage of its mobile capabilities--you can connect with all your friends, family, or coworkers from just about anywhere.
Plus, have you seen this new ad? It will probably make you cry:
Google reader is dead and you've had to reboot the way you read news. Good thing there's Feedly, a customizable sort-of-RSS-Reader news-organization tool that's easy on the eyes and rich in content.
[Image: Flickr user Jonathan Kos-Read]