Instagram has hit the 100 million monthly user mark.

CEO Kevin Systrom announced the milestone yesterday in a lengthy blog post that waxes poetically about Instagram’s growing community.

He also features a couple stories about Instagram users, highlighting the San Francisco-based Mission Bicycle, a small business with more than 42,000 followers (of course, followers are fine and good, but revenue is what matters most) and Sightglass Coffee, another San Francisco small business on Instagram.

The milestone is interesting primarily in light of the dustup that Instagram faced late last year after updating its privacy policy with some legalese that led some users — including large brands — to leave the service, some temporarily.

Related Topics: Channel: Strategy | Facebook: Instagram | Social Media Marketing | Statistics: Social Media

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