Open4Sale was added to Crunchbase.
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Use open4sale's historical employee count to better understand their growth and spending over time.
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Use open4sale's historical monthly uniques as a proxy for mindshare and web traction.
Use open4sale's historical Twitter followers and likes to better understand their social media traction over time.
Use open4sale's historical Facebook likes and mentions to better understand their social media traction over time.
Use open4sale's mobile downloads and app ranks to evaluate the performance of their mobile apps.
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