reached the milestone of 5,000 HP Indigo digital presses in operation around the world. In 2010, the trade magazine Print CEO ranked the company Number 1 in the US high-volume digital press market. HP Indigo was noted to have a 75% share of the world market for digital commercial photo printing. Moving beyond SRA3 format: Fourth Generation presses In March 2012, HP Indigo unveiled the fourth generation of the Indigo product portfolio, and released it to market a year later. This was the first press of their fourth generation of products, the first that went beyond the SRA3 size into oversized B2. By March 2016, when the company unveiled the Indigo 12000 (an updated version of the Indigo 10000), there were 200 Indigo 10000 customer installations in 20 countries. In February 2019, HP Indigo announced the one-thousandth installation of this the fourth generation presses. In 2014, HP Indigo began installing digital presses, aimed at the flexible packaging and folding carton markets, respectively. PrintOS A key milestone for HP Graphic Arts at drupa 2016 was the introduction of PrintOS, a cloud-based technology to help customers oversee their presses, manage day-to-day production activities, and facilitate connectivity and business growth. It is available to HP Indigo customers, as well as users of other HP technologies like Designjet and PageWide Press. In March 2019, HP said that more than 20 thousand users were connected to PrintOS. Some of the applications available for PrintOS include Site Flow, Print Beat, Box, Knowledge Zone, and Marketplace. Business Model HP Indigo relies on a mix of press sales, consumables and services for revenue. Customers Customers of HP Indigo solutions include commercial printers, photo specialty printers, as well as label, flexible packaging and folding-carton converters. They use Indigo presses to print a wide variety of applications including marketing collateral, photo albums, books, labels, heat-shrinkable sleeves (shrink sleeves) folding cartons, flexible packaging, direct mailers, manuals, and specialty jobs. Indigo customers include some of the largest names in both the commercial print world, such as Cimpress, Shutterfly, and Consolidated Graphics (now part of RR Donnelley), as well as in the labels and packaging print industry, such as CCL Industries and large digital newcomers such as ePac Flexible Packaging. However, most of its customer base is made up of a large variety of small and medium-sized commercial print-service providers. Notable deals from recent years include A deal with Cimpress for "circa 20"