These emojis also called "noto emoji" which is one of open source project by Google.
This is an online text generator which can convert the text to various of text style, include Strike-through , Underline and the slash symbol. Result is not image or HTML, but plain text, which able to paste to anywhere.
It looks like a noisy signal, and overlap with previous charactor. People like to use this to decorate the text string. Text becomes hard to tell, but visible. It's very similar to invisible ink in iPhone.
☀ ☁ ☂ ☃ ☯ ☸ ♕ ☎ ✄ ✈
These special symbols are real text and available to copy and paste to anywhere, such like Microsoft Word, Facebook, Twitter, HTML or Blogging.
iPhone/iPad, Android 4.4+ and Windows 8.1+ are native support emoji symbols. Here are 845 emoji symbols with five categories. No need to install any app or software, just click to copy and paste to anywhere you want.
Are you still using old "mailto:" HTML format?
It's useless because most of visitors don't have local mail client software.
Let's try a cool Email Link which has auto-copy feature.
Generate qr code by using google chart api. Free, simple, custom, no login required.
Use emoji in your blog post: Supports all blogger platform, include Wordpress , Blogger and Windows Live Writer(WLW) .