With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Instagram is a software program you can use to share photos.
text_B: Instagram is a mobile , desktop , and internet-based photo-sharing application and service that allows users to share pictures and videos either publicly or privately .. mobile. Smartphone. desktop. Desktop computer. internet-based. Internet. photo-sharing. photo sharing. It was created by Kevin Systrom and Mike Krieger , and launched in October 2010 as a free mobile app exclusively for the iOS operating system .. Kevin Systrom. Kevin Systrom. Mike Krieger. Mike Krieger. iOS. iOS. mobile. Smartphone. mobile app. mobile app. A version for Android devices was released two years later , in April 2012 , followed by a feature-limited website interface in November 2012 , and apps for Windows 10 Mobile and Windows 10 in April 2016 and October 2016 respectively .. Android. Android ( operating system ). Windows 10 Mobile. Windows 10 Mobile. Windows 10. Windows 10. website interface. Web application. Instagram lets registered users upload photos or videos to the service .. Users can apply various digital filters to their images , and add locations through geotags .. filters. Photographic filter. They can add hashtags to their posts , linking the photos up to other content on Instagram featuring the same subject or overall topic .. Users can connect their Instagram account to other social media profiles , enabling them to share photos to those profiles as well .. Originally , a distinctive feature of Instagram was its confining of photos to a square ; this was changed in August 2015 , when an update started allowing users to upload media at full size .. In June 2012 , an `` Explore '' tab was introduced in the mobile apps , showing users a variety of media , including -LRB- but not limited to -RRB- popular photos and photos taken at nearby locations , trending tags and places , channels for recommended videos , and curated content .. mobile. Smartphone. Support for videos was originally launched in June 2013 , and had a 15-second maximum duration and limited quality , with Instagram later adding support for widescreen and longer videos .. widescreen. widescreen. Private messaging , called Instagram Direct , was launched with basic photo-sharing functionality in December 2013 , and has gradually received major updates incorporating more features .. photo-sharing. photo sharing. Updates include easier private sharing from the news feed , threaded conversations , sharing locations and hashtag pages , increased support for text and emoji , and the ability to make photos `` disappear '' after being viewed by the recipient .. hashtag. hashtag. threaded conversations. Conversation threading. emoji. emoji. In August 2016 , Instagram introduced a `` Stories '' feature , letting users add photos to a story , with the content disappearing after 24 hours .. Instagram added live-video functionality to Stories in November 2016 , augmented reality stickers in April 2017 , and face filters in May 2017 .. filters. Photographic filter. augmented reality. augmented reality. After its launch in 2010 , Instagram rapidly gained popularity , with one million registered users in two months , 10 million in a year , and ultimately 700 million as of April 2017 .. Its users have uploaded over 40 billion photos to the service as of October 2015 .. , the Instagram Stories functionality has over 200 million active users , while Instagram Direct has 375 million active users .. Instagram was acquired by Facebook in April 2012 for approximately US$ 1 billion in cash and stock .. Facebook. Facebook. The popularity of Instagram has sparked an engaging community , including dedicated `` trends '' , in which users post specific types of photos on specific days of the week with a hashtag representing a common theme .. hashtag. hashtag. Instagram has received positive reviews for its iOS app , and it has been named `` one of the most influential social networks in the world '' .. iOS. iOS. However , the company has been the subject of criticism on several issues , most notably incidents of drug sales on the platform , allegations of censorship towards women , and a May 2017 survey in the United Kingdom concluding that the service was bad for young mental health .
related.