Introducing the #Yelfie, Pacman on Facebook Messenger and Google Earth's global warming timelapse 

Good morning, Austin! Today's latest in tech news: 

Yelp wants to attach customer photos to reviews

Yelp engineered the #Yelfie during the company's latest Hackathon. Functioning a little like Snapchat, Yelp users are encouraged to include a selfie along with their reviews and photos of food. Users are also able to take a check-in photo when entering a business, before the camera flips for their Yelfie. The feature is live for iPhone and Android.

Facebook is bringing Pac-Man to its mobile app and Messenger

Though popular, Facebook games have not been available for mobile users -- until now. The company announced Tuesday that in addition to messaging people, users can also challenge friends to a variety of "Instant Games," including "Pac-Man," "Galaga," "Words With Friends" and more. This move means Facebook users won't have to exit out of the Messenger or Facebook mobile app to download and play these games.

Google Earth's Timelapse update reveals 32 years of climate change

Google Earth released an update of the satellite imagery app on Tuesday. The new update includes pictures from two new satellites and another four years of data, spanning now from 1984 to 2016. On the app it's easy to see how human-driven climate change has impacted the earth; images of rivers drying up and glaciers melting are commonplace, and Google Earth's Youtube Playlist has numerous examples, including one shown below: