Skip to content
By using Twitter’s services you agree to our Cookies Use. We and our partners operate globally and use cookies, including for analytics, personalisation, and ads.
  • Home Home Home, current page.
  • Moments Moments Moments, current page.

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @
  • Language: English
    • Bahasa Indonesia
    • Bahasa Melayu
    • Català
    • Čeština
    • Dansk
    • Deutsch
    • English UK
    • Español
    • Filipino
    • Français
    • Hrvatski
    • Italiano
    • Magyar
    • Nederlands
    • Norsk
    • Polski
    • Português
    • Română
    • Slovenčina
    • Suomi
    • Svenska
    • Tiếng Việt
    • Türkçe
    • Ελληνικά
    • Български език
    • Русский
    • Српски
    • Українська мова
    • עִבְרִית
    • العربية
    • فارسی
    • मराठी
    • हिन्दी
    • বাংলা
    • ગુજરાતી
    • தமிழ்
    • ಕನ್ನಡ
    • ภาษาไทย
    • 한국어
    • 日本語
    • 简体中文
    • 繁體中文
  • Have an account? Log in
    Have an account?
    · Forgot password?

    New to Twitter?
    Sign up
calestous's profile
Calestous Juma
Calestous Juma
Calestous Juma
Verified account
@calestous

Tweets

Calestous JumaVerified account

@calestous

Professor @BelferCenter @KennedySchool @Harvard | A New Culture of Innovation: Technology, Entrepreneurship and Prosperity (forthcoming book)

bit.ly/2sG3K0T
Joined April 2009

Tweets

  • © 2018 Twitter
  • About
  • Help Center
  • Terms
  • Privacy policy
  • Cookies
  • Ads info
Dismiss
Previous
Next

Go to a person's profile

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @

Promote this Tweet

Block

  • Tweet with a location

    You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more

    Your lists

    Create a new list


    Under 100 characters, optional

    Privacy

    Copy link to Tweet

    Embed this Tweet

    Embed this Video

    Add this Tweet to your website by copying the code below. Learn more

    Add this video to your website by copying the code below. Learn more

    Hmm, there was a problem reaching the server.

    By embedding Twitter content in your website or app, you are agreeing to the Twitter Developer Agreement and Developer Policy.

    Preview

    Why you're seeing this ad

    Log in to Twitter

    · Forgot password?
    Don't have an account? Sign up »

    Sign up for Twitter

    Not on Twitter? Sign up, tune into the things you care about, and get updates as they happen.

    Sign up
    Have an account? Log in »

    Two-way (sending and receiving) short codes:

    Country Code For customers of
    United States 40404 (any)
    Canada 21212 (any)
    United Kingdom 86444 Vodafone, Orange, 3, O2
    Brazil 40404 Nextel, TIM
    Haiti 40404 Digicel, Voila
    Ireland 51210 Vodafone, O2
    India 53000 Bharti Airtel, Videocon, Reliance
    Indonesia 89887 AXIS, 3, Telkomsel, Indosat, XL Axiata
    Italy 4880804 Wind
    3424486444 Vodafone
    » See SMS short codes for other countries

    Confirmation

     

    Welcome home!

    This timeline is where you’ll spend most of your time, getting instant updates about what matters to you.

    Tweets not working for you?

    Hover over the profile pic and click the Following button to unfollow any account.

    Say a lot with a little

    When you see a Tweet you love, tap the heart — it lets the person who wrote it know you shared the love.

    Spread the word

    The fastest way to share someone else’s Tweet with your followers is with a Retweet. Tap the icon to send it instantly.

    Join the conversation

    Add your thoughts about any Tweet with a Reply. Find a topic you’re passionate about, and jump right in.

    Learn the latest

    Get instant insight into what people are talking about now.

    Get more of what you love

    Follow more accounts to get instant updates about topics you care about.

    Find what's happening

    See the latest conversations about any topic instantly.

    Never miss a Moment

    Catch up instantly on the best stories happening as they unfold.

    Calestous Juma‏Verified account @calestous 17 Jun 2017

    #Smartphones haven't made us into #activists. They've turned us into helpless bystanders @wef http://bit.ly/2tdyfI2 pic.twitter.com/flQzttX5k1

    7:17 AM - 17 Jun 2017
    • 364 Retweets
    • 267 Likes
    • Edna DBWD Keith Donachie Lhey BWood___4 Ian Nokes Mustafa... NahlaSidahmed Nancy Mungai
    16 replies 364 retweets 267 likes
      1. New conversation
      2. Puma #FreeRaif‏ @PumaBare 17 Jun 2017
        Replying to @calestous @wef

        Yup, #PrayFor comes quickly to mind.pic.twitter.com/qwbZzRayAg

        1 reply 22 retweets 21 likes
      3. 1 more reply
      1. New conversation
      2. I, Kenyatta‏ @goonerbybirth 17 Jun 2017
        Replying to @calestous @wef

        Not 100%. In some places, people take social media seriously and use it to influence change/trends.

        1 reply 0 retweets 3 likes
      3. Carolyn Pohlman‏ @carolyncairo 18 Jun 2017
        Replying to @goonerbybirth @calestous @wef

        egypt for one place

        0 replies 0 retweets 1 like
      4. End of conversation
      1. New conversation
      2. Carolyn Pohlman‏ @carolyncairo 17 Jun 2017
        Replying to @calestous @ClancyReports @wef

        Does anyone remember Kitty Genovese?

        1 reply 0 retweets 1 like
      3. Raouf Eldeeb‏ @raouf777 17 Jun 2017
        Replying to @carolyncairo @calestous and

        A tragedy and a shame that time cannot diminish

        1 reply 0 retweets 0 likes
      4. Nun Ya‏ @Ishfery 17 Jun 2017
        Replying to @raouf777 @carolyncairo and

        Although we now know that the news reports were grossly inaccurate and people did indeed call the police

        1 reply 0 retweets 1 like
      5. 1 more reply
      1. Attorney Simret Zeru‏ @SimretZeru 25 Jun 2017
        Replying to @calestous @wef

        #Smartphones haven't made us into #activists. They've turned us into helpless bystanders http://bit.ly/2tdyfI2 pic.twitter.com/lJjqSluhfl

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. elelutN@‏ @Ntulele 18 Jun 2017
        Replying to @calestous @Abubakr254 @wef

        pic.twitter.com/0bBbCNu9Ti

        0 replies 1 retweet 0 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Tsonga Mami  🌺‏ @LatoyaNkuna 18 Jun 2017
        Replying to @calestous @wef

        I also think social media has been great for creating awareness around current issues

        0 replies 0 retweets 0 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. ClaudyaMahyra‏ @ForamAvisados 18 Jun 2017
        Replying to @calestous @liv_let_liv @wef

        É o novo 'vou orar por você'.

        0 replies 0 retweets 0 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Kenneth Barnes‏ @kenkmbarnes 18 Jun 2017
        Replying to @calestous @ClancyReports @wef

        Don't suppose you guys across the pond have heard about the Grenfell Tower disaster? #nocellphonehelp

        0 replies 0 retweets 0 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Neleysis Bolaño Ardi‏ @neleysis 18 Jun 2017
        Replying to @calestous @wef

        Sadly many times its this way.

        0 replies 0 retweets 0 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Eye-saac (#FreeUganda)‏ @Bit20200 18 Jun 2017
        Replying to @calestous @wef

        This is so true...especially in Uganda

        0 replies 0 retweets 0 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Sebastian Okot‏ @SebestianOkot 18 Jun 2017
        Replying to @calestous @iGaddo @wef

        Seeing a man being killed, one takes photos and uploads. Absurd indeed.

        0 replies 0 retweets 0 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. paul raphael‏ @RaphapeaceJr 18 Jun 2017
        Replying to @calestous @wef

        I think it should be considered not a general case but to some extent that's obviously how people use it ,so we must change.

        0 replies 0 retweets 0 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. 21stCentury Polymath 🏳️‍🌈‏ @polymath21 17 Jun 2017
        Replying to @calestous @wef

        armchair revolutionaries lol

        0 replies 0 retweets 0 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. New conversation
      2. FatMatKingCat‏ @FatMatKingCat 17 Jun 2017
        Replying to @calestous @wef

        A decade and half ago, I'd call the flying squad and they'd be there within minutes. I'm told these days, they don't show up at all!

        1 reply 0 retweets 0 likes
      3. Carolyn Pohlman‏ @carolyncairo 18 Jun 2017
        Replying to @FatMatKingCat @calestous @wef

        what is the Flying Squad?

        1 reply 0 retweets 0 likes
      4. FatMatKingCat‏ @FatMatKingCat 1 Dec 2017
        Replying to @carolyncairo @calestous @wef

        Flying Squad => http://www.cid.go.ke/index.php/sections/operationunit/flying-squad.html …

        0 replies 0 retweets 0 likes
      5. End of conversation

    Loading seems to be taking a while.

    Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.

      Promoted Tweet

      false

      • © 2018 Twitter
      • About
      • Help Center
      • Terms
      • Privacy policy
      • Cookies
      • Ads info