What is a one-sentence summary of the following article?
One of the easiest and most commonly-used ways to send a kiss by texting is with an emoticon. An emoticon is a series of keyboard characters used to convey an action or emotion. There are a variety of options if you want to send a kiss via emoticon.  The character symbols :-)* or :-* or :-^ or ^>^ are emoticons that will send a kiss to someone.  The character symbols :-x or :x are emoticons that will send the message “pucker up” to someone.  The character symbol :*) also means pucker up. " In the days before texting, people commonly used the letters “xo” to denote hugs (x) and kisses (o). You can use this simple, traditional, universally recognized message to send someone a kiss. Most people use “xoxo” at the end of messages, but you can use it as you like in text messages. An onomatopoeia is a word that imitates the sound it describes. There are many different ways to text a kiss using onomatopoeia. You can use any of the following onomatopoeia to convey a kiss by text message: muah, smooch. Two other options are smack, which is what Snoopy says when he kisses something, or schmatz, which is the German word for “smack.”

Summary:
Use an emoticon. Use “xoxo. Use a kissing onomatopoeia.