1. Media daily volume of unsolicited messages dropped over 30 percent from January to June 2015.

2. Last year, the number of complaints regarding unsolicited communication dropped to 11,200 a month from 44, 000 a month in 2012.

3. And given my background, I get a lot of unsolicited advice.

4. An unsolicited sales pitch may be part of a fraudulent investment scheme.

5. In contrast to a regular comment, the purpose of comment spam is to embed a link or an unsolicited advertisement.

6. But even with two decades and trillions of unsolicited messages behind us, it seems there is still no end in sight.

7. Potential victims will typically encounter a link to the ransomware installer in unsolicited spam.

8. Especially now, be wary of any unsolicited emails asking you to click on a link, or to download a file.