My all-time favorite feature on Android is the way sharing works. I like this feature so much I am concerned that this might be a repeat of a prior Feature Friday post. But I searched on gawk.it and did not find any posts so maybe I haven't done a Feature Friday on this. Hard to believe.
When you are looking at content in Android, a web page, a blog post, a picture, a video, a venue in foursquare, a tweet, etc, etc, you simply hit the share button and all the apps that are installed on the phone that can take an object like that show up.
This is what the screen looks like on my phone when I share out an AVC post:
This is not the entire list of apps that are available to share the blog post with, this is just the first set of apps. You can scroll down to see more but I could not capture that with a screen shot.
This sharing feature is available to any app that is built for Android. Foursquare has implemented it for its venue pages with a "send to a friend" call to action. (this screen shot is from the USV venue page):
This ability to share data between apps is super useful. I would like to see Google and Android developers do even more with this. Think about the way bookmarklets work on the web. If web bookmarklet functionality (like the Tumblr share bookmarklet for example) could be replicated on mobile devices, that would be a huge step forward for mobile.
In any case, this is probably the number one reason I use an Android phone and if you haven't experienced the joy that this feature provides, I suggest you get your hands on an Android phone and check it out.