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World Wide Web launches, opens the door for digital communication -
Six Degrees, first social networking site -
Blogger makes online self-publishing easy -
Wikipedia launches, showcasing collaborative knowledge sharing -
MySpace launches, dominates mid-2000s social media -
LinkedIn debuts for professional networking -
Facebook is created, grows into world's biggest social network -
Facebook introduces the News Feed -
Twitter launches, popularizes microblogging real-time updates -
Hashtags first used on Twitter -
Arab Spring highlights social media's power in activism -
Instagram launches, photo-based sharing revolution -
Snapchat launches, introduces disappearing content -
Instagram launches Stories -
TikTok becomes the most downloaded app globally