Jo Balletti

@ThisIsJoFrank

Spreader of sparkles // Dev advocate Specialist subject: The identification and categorisation of fluffs. Pronouns: she/her

Joined August 2010
931 Photos and videos Photos and videos

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  1. Pinned Tweet
    4 Mar 2018

    The dress may not have performed yesterday, but here's proof of it glowing before it died!

    24 replies 34 retweets 393 likes
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  2. 15 hours ago

    Thank you all so much you've been bloomin' marvellous! Time to take this off my door and sleep! 💖💪🛌

    1 reply 1 retweet 20 likes
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  3. Retweeted
    May 22

    I'm speaking and mentoring at "Digital Camp May 2020" next week. An event for teenagers looking to get into programming. Runs 29th-30th May. £10 per day and all ticket proceeds are donated to the NHS. RTs appreciated, corporate tweet to follow ;)

    1 reply 8 retweets 4 likes
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  4. 20 hours ago

    Anyone spotted my special guest's appearance on the online Q&A? Pickle is unimpressed by my interviewing skills.

    1 reply 1 retweet 18 likes
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  5. May 21

    Some people bake bread during lockdown, and I make panettone puns...

    3 replies 4 retweets 9 likes
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  6. Retweeted
    May 20

    This isn't quite refined yet... But... That's definitely an excercise bike driving Google maps via C# and SignalR. Sorry for the mess.

    1 reply 2 retweets 18 likes
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  7. Retweeted
    May 20

    shared some super helpful advice on managing anxiety, imposter syndrome and anxiety, and how to be kinder to yourself at in 2019. Check it out at

    3 retweets 6 likes
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  8. May 16

    Thank you to for having me! Here are my slides and your collaborative artwork!

    5 retweets 28 likes
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  9. May 16

    Looking forward to talking about my IoTshirt at in half an hour!

    3 replies 6 retweets 85 likes
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  10. Retweeted
    May 15

    Hi tweeters — I no longer work at Pusher & I have capacity for freelance work 1-2 days a week. I would love to focus on projects for accessibility, inclusion, & underrepresented folks. I’m a certified web accessibility specialist & music tech hacker 👩🏻‍💻👋 RTs much appreciated 💖

    3 replies 95 retweets 98 likes
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  11. Retweeted
    May 15

    Our dev advocate will show you how to build your own IoT-shirts at tomorrow's , no hardware knowledge required! Reserve your space

    6 retweets 10 likes
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  12. Retweeted
    May 12

    my wife witnessed a miracle today & yelled across the house with an urgency that had me sprinting. I thought something terrible had happened but when i came into the kitchen she said: Look...

    2,844 replies 132,143 retweets 797,331 likes
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  13. Retweeted
    May 11

    Today I learned a solution to a problem I didn't even realize I had. :D `align-items: safe center;` 🔗 MDN: Video alt: Explanation of safe/unsafe overflow alignment within a flex container. Safe positioning helps to prevent data loss.

    9 replies 115 retweets 496 likes
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  14. Retweeted
    May 10

    I'm talking about building Game Boy emulators in C# (including a quick lap around machine languages, assembly, a low-level programming) tomorrow lunchtime, virtually, here - come along! Excited for this deck. A brand new one.

    2 replies 8 retweets 29 likes
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  15. May 10

    Do I know anyone who has used/tried enchroma (or similar) glasses for colourblindness? Would love to hear your experience/opinions.

    2 replies 1 retweet 3 likes
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  16. Retweeted
    May 9

    I’m finally getting some decent results producing 100%-edible iridescent tempered chocolate. The colors are from the chocolate (not any ingredient or coating) diffracting light after being forcefully molded onto a diffraction grating in vacuum.

    1,211 replies 9,522 retweets 50,887 likes
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  17. Retweeted
    Apr 8

    Saturday, May 16!

    12 retweets 20 likes
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  18. May 7

    TIL - Numeric separators in JS! . 10_000 so much more instantly readable than 10000!

    3 likes
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  19. May 5

    Got a portrait of Pickle done by one of my fav illustrators 💖 I think she likes it! 🥒🐈🖌️

    Pickle the tabby cat lying on her back on the floor with her eyes closed next to a painted illustration of her.
    1 reply 21 likes
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  20. Retweeted
    Apr 29

    wondering who's speaking at ? in this slowly-unfolding thread, we'll introduce you to our incredible speakers! is a dev advocate at who loves Realtime Data, PWAs and great CSS. We can't WAIT to make our own IoT-shirts after her talk!

    1 reply 7 retweets 10 likes
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  21. Retweeted
    Apr 29

    I wonder if noticed what someone wrote on her t-shirt

    1 reply 2 retweets 8 likes
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