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Mobile Minutes: Instagram’s advertiser base; HTC’s headphone jack; Facebook’s measurement tools; Amazon’s photo prints

Instagram more than doubles advertiser base in six months
Instagram now has 500,000 advertisers, more than double the number it had in February, the Facebook-owned photo and video sharing app said on Thursday.
Read more on Fortune

It looks like another flagship phone is going to ditch the headphone jack
HTC probably has a new phone coming. According to noted phone leaker Evan Blass, it’ll be called the Bolt, and it’ll arrive on Sprint sometime in October.
Read more on Business Insider

Facebook reveals new measurement tools and ad options for retailers
Facebook announced five new measurement products with as many different partners. These are designed to allow marketers to work with the independent third parties they’re already familiar with, while Facebook addresses concerns that it has been a “walled garden” when it comes to data.
Read more on CNBC

Amazon offers cheap photo prints to Prime members
Amazon is now offering low-cost photo printing to Amazon Prime members and Amazon Drive customers. Called Amazon Prints, the service takes photos uploaded to Seattle-based Amazon’s cloud drive service and lets you print individual snapshots at different sizes or create custom photo books.
Read more on CNET