Original sentence: By 2011, Issuu software was used by several online publications.Depending on the plan they are using, users can track statistics, control access to their publications, set up subscriptions, and receive payment from their readers via Stripe, an online payment system.However, it's impossible to create a publication from scratch via Issuu, without a PDF to start from.In 2014, the company released Clip, a tool that allowed readers to take a snapshot of any part of a publication and share that on social media or through email.Initially, the app was released on Android in January.Issuu also provides their users with tools for measuring and monetization of their content.The app could also stack publications back to back so that they could be read in succession.The app included an offline reading list function that allowed users to read from the Issuu app without being online.The main purpose of Issuu is to convert PDFs into digital publications that can be shared via links or embedded into websites.Users can edit their publications by customizing the design, using templates, or adding links and multimedia to the pages of their documents
Edited sentence: By 2013, page views for the company reached about seven to eight billion per month.In 2008, the site was a South by Southwest (SXSW) finalist.In 2014, the company released Clip, a tool that allows readers to take a snapshot of any part of a publication and share that on social media or through email.In 2015 the number was around 85 million unique visitors per month, with 21 million publications publishing through Issuu (amounting to about 15,000 new publications per day).In July 2014, Issuu raised $10 million in a Series B round to bring the total capital it has raised since it was founded to $21.5 million.Initially the app was released on Android in January, and received between one and five million downloads over the front part of 2014.Its software was used by several online publications.Publications are available in thirty different languages.That round of investment was led by KDDI and Sunstone.That year the company had around 80 million monthly unique visitors, with 32 million monthly arriving from web or mobile searches.The app can also stack publications back to back so that they can be read in succession.The app includes an offline reading list function that allows users to read from the Issuu app without being online