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🐦Print comments on your blog to your Memobird!
Memobird is the name of a thermal printer manufactured by INTRETECH©. And Memobird can receive messages from the Internet with your permission. This plugin requires the service provided by INTRETECH©, all data (to be specific, the comments on your site) are directly sent to INTRETECH© (to be specific, they provided web API for developers at http://open.memobird.cn, that’s where the comments are sent to).
This plugin uses INTRETECH©’s offical PHP SDK with slightly modifications on class name. https://github.com/memobird/gugu-php. 
 <code>gugu-php-LICENSE 
memobird.php (with class name changed from</code>memobird’ 
 to <code>comment2memobird_memobird', and 
 expose instance variable named</code>ak’) 
 `
You can request an access key via their website. And for details, they provided a manual at http://open.memobird.cn/upload/webapi.pdf.
NOTICE, this plugin needs <code>php-mbstring</code> extension to be installed for converting string encoding (INTRETECH© requires GBK encoding).

Comment to Memobird

🐦Print comments on your blog to your Memobird!

Joost de Valk

Juliette Reinders Folmer

contactashish13

Print &amp; PDF by PrintFriendly

Features
PrintFriendly is used by millions of people everyday to help them save paper and ink when they print and generate PDFs (Good for the environment and peoples wallet!).
<ul>
<li>Print, PDF, and email.</li>
<li>Stylish, highly polished, intuitive UI/UX that end-users love.</li>
<li>Editable Preview – change text/image size, and delete to save even more paper and ink.</li>
<li>PDF – clickable links and custom paper sizes (A4 or Letter).</li>
<li>Reliable & Fast – Since 2009 we’ve optimized and improved.</li>
<li><a href="https://support.printfriendly.com/wordpress/social-share-compatibility/" rel="nofollow ugc">Compatible</a> with social share plugins like Social Snap, Social Pug, NovaShare, Shareaholic</li>
</ul>
Benefits For Publishers
<ul>
<li>Automatically detects page content so you don’t have to create print.css.</li>
<li>Professional: highly polished, stable, and supported.</li>
<li>Works on HTTP, HTTPS, and password protected sites.</li>
<li>Customization features (see below)</li>
<li>Full featured free (ad supported) version and optional <a href="https://www.printfriendly.com/button/pro" rel="nofollow ugc">Pro Upgrade</a>.</li>
</ul>
Customization
<ul>
<li>Print, PDF, Email, options can be on or off.</li>
<li>Custom headers and footers for the print and PDF.</li>
<li>Button styles to choose, or use your own text and image/button.</li>
<li><a href="https://support.printfriendly.com/wordpress/customize-content-selection/#copyright" rel="nofollow ugc">Include a copyright</a> on print and PDF.</li>
<li><a href="https://support.printfriendly.com/wordpress/custom-css/" rel="nofollow ugc">Use your own CSS</a> for complete creative control or the print or PDF page.</li>
<li>Use the JavaScript or non-JavaScript option.</li>
</ul>
<h4>Free – Ad Supported</h4>
<blockquote>
This highly polished, professional plugin is free to use and fully functional. We maintain, improve, and offer support to all users. 
 You get all this for free, and in return tasteful ads are displayed in a non-interfering way. 
 Ads are only shown in the print/pdf/email confirmation window. No other ads are displayed or embedded in the content, or snuck in anywhere else.
</blockquote>
<h4>Purchase an Ad-Free Subscription</h4>
<blockquote>
Get a quality product for reasonable price. Remove the ads by purchasing an ad-free subscription. It’s cheap, easy, and straightforward. 
 Purchase now at <a href="https://www.printfriendly.com/button/pro" rel="nofollow ugc">PrintFriendly.com</a>
</blockquote>
Localized in 30 Languages
PrintFriendly & PDF speaks your language! It detects (based on browser setting) the end-users language and automatically changes language. For example, if your browser is set to Spanish, then PrintFriendly will use Spanish.
A few of our supported languages:
<ul>
<li>Danish</li>
<li>German</li>
<li>English</li>
<li>Spanish</li>
<li>Estonian</li>
<li>French</li>
<li>Hebrew</li>
<li>Croatian</li>
<li>Hungarian</li>
<li>Italian</li>
<li>Korean</li>
<li>Lithuanian</li>
<li>Dutch/Netherlands</li>
<li>Polish</li>
<li>Portuguese</li>
<li>Slovak</li>
<li>Slovenian</li>
<li>Serbian</li>
<li>Swedish</li>
<li>Thailand</li>
<li>Turkish</li>
<li>Chinese Simplified</li>
<li>Chinese Traditional</li>
</ul>
PrintFriendly and PDF is the #1 print optimization technology, as featured in <a href="http://lifehacker.com/5272212/print-friendly-optimizes-web-pages-for-printing" title="PrintFriendly & PDF in Lifehacker" rel="nofollow ugc">Lifehacker</a>, <a href="http://mashable.com/2009/05/18/print-friendly/" title="PrintFriendly & PDF in Mashable" rel="nofollow ugc">Mashable</a> & <a href="http://www.makeuseof.com/dir/printfriendly-save-on-paper-and-ink/#comment-95052" rel="nofollow ugc">makeuseof</a>.
Give PrintFriendly & PDF a test drive at <a href="https://www.printfriendly.com" title="PrintFriendly & PDF" rel="nofollow ugc">PrintFriendly.com</a>
GDPR (General Data Protection Regulation)
PrintFriendly Pro is GDPR compliant. <a href="https://www.printfriendly.com/privacy" rel="nofollow ugc">Privacy Policy</a>. We are working on making the free version GDPR complaint, but as of today it is not because stringent cookie consent requirements. If you are an EU publisher, we recommend purchasing a <a href="https://www.printfriendly.com/button/pro" rel="nofollow ugc">PrintFriendly Pro Subscription</a> for your domain.
GDPR (General Data Protection Regulation)
PrintFriendly Pro is GDPR compliant. <a href="https://www.printfriendly.com/privacy" rel="nofollow ugc">Privacy Policy</a>. We are working on making the free version GDPR complaint, but as of today it is not because stringent cookie consent requirements. If you are an EU publisher, we recommend purchasing a <a href="https://www.printfriendly.com/button/pro" rel="nofollow ugc">PrintFriendly Pro Subscription</a> for your domain.
<h4>Print, PDF, Email Privacy & Data</h4>
PDFs are generated on our server; this plugin “phones home”. Also if the end-user shares the page via email, the email is sent by our server.
Our Fundamental Principles:
<ul>
<li>We do not sell data. Period.</li>
<li>We do not share data, unless compelled by the law.</li>
<li>We do not ask for personal information, unless it’s needed to provide a service.</li>
<li>We don’t store personal information, unless required for the on-going operation of service.</li>
</ul>
Specifically, here’s what we do with the data and information:
Page content is not sent or stored on server, except to generate the PDF. After the PDF is generated, we temporarily store the PDF to allow the end-user time to download. After this time has expired, the PDF is permanently deleted.
If you’re using the non-JavaScript option in the plugin, then the preview is generated on our server and temporarily stored in cache for a few minutes. After that time it is permanently deleted.
Email Address & Content get permanently deleted In order to send the email, we need to store the email address and message on our server. After the email has been sent and found not to be a spammer, the email address is permanently deleted.
Server log files get created and deleted. Browsers and Servers pass non-personally-identifying information, such as the browser type, language, referrer, and the date/time. We may use this data to analyze how the service is being used. Non-personally-identifying aggregate data may get published, e.g., by a report on trends in the usage of the service.

Print, PDF, Email by PrintFriendly

Worked great, then on some update they started adding links injected into pdf/print files.
They offer a pro version of the plugin which removes ads, but still showing the ads after starting the pro trial.

Terrible practices, do not use this plugin.

Was good until they started injecting ads into PDFs! AVOID THIS!

The #1 Print, PDF, Email button. Stylish, full featured, customizable. Add custom header, footer, and more.

Comment to Memobird vs Print, PDF, Email by PrintFriendly