about 6.1 trillion
About how many SMS text messages were sent globally in 2010?
That same year, roughly 3.5 billion people worldwide were active SMS users.
Source: Wikipedia (SMS) (2010) en.wikipedia.org
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By 2010, about what share of mobile phone subscribers worldwide were active SMS users?
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3 billion
As of May 2025, about how many monthly active users did WhatsApp have?
That makes it the world's most popular standalone messaging app.
Source: Wikipedia (WhatsApp) (2025) en.wikipedia.org
$19 billion
About how much did Facebook (now Meta) pay to acquire WhatsApp in 2014?
The deal included $4 billion in cash and $12 billion in Facebook shares.
Source: Wikipedia (WhatsApp) (2014) en.wikipedia.org
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