Social Media Playground Dan Ryan Mills College Spring 2012 Today Announcements (talk, summer, lab) Glitches? Servers and Clients and Feeds One to many, many to one Synchronous/Asynchronous Push/PullWikipedia Blogs Twitter Facebook YouTube Explore & Questions & Experience Servers and Clients Server = program/machine that accepts and fulfills requests over a network Client = program (usually with UI) that translates user request into server request & displays received data conversation follows a protocol (rules for how you ask for things and how you interpret what you get) Examples Safari, Firefox, Chrome are web clients Apache is web server software Mills has a web server machine that runs this software (or some other) HTTP is the protocol they use to converse Feeds -- RSS RSS=really simple syndication syndicate ~ distribute feed = server that can be followed User gives URI of feed to reader or aggregator Reader checks regularly for updates as Network To: From: CC:amybob don cam Draw theNetwork #FromToCCSubject 1BobAmyCam,DonA 2EveAmyBob,Cam,Don,Fin,GilB 3FinAmyDonA 4BobCamAmy,DonA 5CamAmyB 6DonAmyEve,Fin,GilB 7GilAmyBobC amy bob don cam fin eve gil Draw 2 mode network subject/recipient #FromToCCSubject 1BobAmyCam,DonA 2EveAmyBob,Cam,Don,Fin,GilB 3FinAmyDonA 4BobCamAmy,DonA 5CamAmyB 6DonAmyEve,Fin,GilB 7GilAmyBobC amybobdoncamfinevegil A B C Fill in Matrix for s in common amybobdoncamfinevegil A B C AmyBobCamDonEveFinGil Amy Bob Cam Don Eve Fin Gil AmyBobCamDonEveFinGil Amy Bob11111 Cam2111 Don111 Eve11 Fin1 Gil Before and After Twitter Tweet Username User Avatar Real name ReTweet Modified Tweet Mention Hashtag Time/Date ReTweet Twitter Networks Who follows whom Who mentions whom Who retweets whom Who gets mentioned together What hashtags mentioned by whom Twitter djjr Followed/Followers not necessarily distinct djjr A A Links among my followed/follwers djjr What does network look like if we all follow one another? Blog Networks A follows B A commented on B