Social-media companies have quickly become one of the hottest sectors to invest in. For those having trouble keeping up with the constant barrage of news items coming from these Internet companies, here's a quick recap of what you may have missed.

The following slideshow features several news items from companies including Facebook (NASDAQ:FB), Alphabet's (NASDAQ:GOOG) (NASDAQ:GOOGL) Google, and Twitter (NYSE:TWTR), along with a quick synopsis of what the news means for investors. Enjoy!

Adam Levy has no position in any stocks mentioned. The Motley Fool owns shares of and recommends Alphabet (A shares), Alphabet (C shares), Facebook, and Twitter. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.