uprosoft

Google announced the launch of the Google Share button on April 24th 2012. They finally made it easy for people to share content among connection. This is going to be a battle with the Facebook like button.
?When your visitors come across something interesting on your site, sometimes you want to encourage a simple endorsement (like +1),? Google+ product manager Rick Borovoy wrote in a blog post introducing the new feature. ?Other times, however, you want to help visitors share with their friends, right away. Today?s new Google+ Share button lets you do just that.?
The share button is geared toward increasing traffic to website if you are a marketer.

Simple Google Share

Increase your web traffic with the new Google share button by including it at the bottom of each post for visitors to share content upon visit.

eugenealegiojo

The plugin that will let admin user to add download links to any posts/pages in simplest way and hassle free. 
Allows all your site visitors to download any files from your website without any user restriction.
<h4>Features</h4>
<ul>
<li>Downloader button is available in your admin content editor for post, page or post type. Shortcode will be generated automatically.</li>
<li>Insert download links manually via shortcode [media-downloader] to any posts, pages or custom post types. Check for more parameters below (Embedding).</li>
<li>Allow users to directly download in all file formats for free.</li>
<li>No file size limit for downloads. 
For more information please check the <a href="http://phplugins.softanalyzer.com/simple-file-downloader/" rel="nofollow ugc">Simple File Downloader</a> documentation page</li>
</ul>
<h4>Embedding / generated Shortcodes</h4>
Create a new post/page and click the ‘Add Download’ button from the content editor, then generate the shortcode below:
<pre><code>[media-downloader media_id="9" texts="Download Now!"]
</code></pre>
Media id is automatically added from your media library.
Here are the all the available parameters when generating shortcode for file download:
texts
If you choose to leave the texts parameter empty, then it be defaulted to ‘Download File’.
image_url
You can also use image/button as your download link. If you supplied this parameter, then texts parameter will be replaced by this image.
<pre><code>[media-downloader media_id="9" image_url="http://domain.com/wp-content/themes/images/button.png"]
</code></pre>
class
You can add class to your download link either a texts or image button. This is useful if you want to apply your own style.
<pre><code>[media-downloader media_id="9" texts="Download PDF" class="download-pdf"]
</code></pre>
display_filesize
You also have an option to display the size of the file. Just set it to ‘yes’
<pre><code>[media-downloader media_id="9" texts="Download PDF" display_filesize="yes"]
</code></pre>

Simple File Downloader

Simplest way to add download links into your posts/pages.

Simple Google Share vs Simple File Downloader