Instagram is an online mobile photo-sharing, video-sharing and social networking service that enables its users to take pictures and videos, and share them on a variety of social networking platforms, such as Facebook, Twitter Tumblr and Flickr. A distinctive feature is that it confines photos to a square shape, similar to Kodak Instamatic and Polaroid images, in contrast to the 4:3 aspect ratio typically used by mobile device cameras. Users can also apply digital filters to their images. The maximum duration for Instagram videos is 15 seconds.
WhatsApp Messenger is an instant messaging app for smartphones that operates under a subscription business model The propietary, cross-platform app enables users of select feature phones to use the Internet to communicate. In addition to text messaging, WhatsApp can be used to send images, video, and audio media messages. WhatsApp has also started rolling out the much awaited voice calling feature. Locations can also be shared through the use of integrated mapping features.
Facebook (formerly [thefacebook]) is an online social networking service. After registering to use the site, users can create a user profile, add other users as "friends", exchange messages, post status updates and photos, share videos and receive notifications when others update their profiles. Additionally, users may join common-interest user groups, organized by workplace, school or college, or other characteristics, and categorize their friends into lists
Twitter is an online social networking service that enables users to send and read short 140-character messages called "tweets".
Registered users can read and post tweets, but unregistered users can only read them. Users access Twitter through the website interface, SMS, or mobile device app.
SlideShare is a Web 2.0 based slide hosting service. Users can upload files privately or publicly in the following file formats:Power Point, PDF, Keynote or OpenDocument presentations. Slide decks can then be viewed on the site itself, on hand held devices or embedded on other sites.Information graphics or infographics are graphic visual representations of information, data or knowledge intended to present complex information quickly and clearly. They can improve cognition by utilizing graphics to enhance the human visual system’s ability to see patterns and trends. The process of creating infographics can be referred to as data visualitazion, information design, or information architecture
Pinterest is a web and mobile aplication company that offers a visual discovery, collection, sharing, and storage tool. Users create and share the collections of visual bookmarks (boards). Boards are created through a user selecting an item, page, website, etc. and pinning it to an existing or newly created board. Users save and share pins from multiple resources onto boards based on a plethora of criteria, e.g. similar characteristics, a theme, birthday parties, planning a vacation, writing a book, interior decorating, holidays. Boards can develop projects, organize events, or save pictures and data together
Wikispaces is a web hosting service
App Inventor for Android is an open-source web application 