While many people simply tweeted the familiar Apple symbol, others reflected on his achievements and how profoundly Jobs changed the world of personal computing devices.

Mattchew03 tweeted, "It's crazy to think about how many people are sharing the news of Steve Jobs' death using devices he invented." And the folks working on NASA's Kepler mission tweeted, "Your innovative vision inspired a world beyond its limits. You will be profoundly missed. Thank you Steve Jobs. RIP."

Others, like ryan, simply tweeted, "So long, Steve."

On , users' news feeds quickly filled up with news and reaction to Jobs' passing.

Christine Dotts posted, "Makes me sad. A legend." And Patricia Keefe posted, "I don't know why I am so shocked - but I am... Very sad, and much too soon. There will never be another like him."