Singapore is celebrating one of its most notable tech exits to date after Zopim, a company that provides live chat support services for websites, was sold to customer service software firm Zendesk in a deal that could be worth as much as $30 million. There have been bigger acquisitions out of Singapore — for example Rakuten’s $200 million deal for Viki last year — but Zopim is different, since it did not raise private venture funding and has been profitable for some time. Build good products Zopim bootstrapped, pivoted to a freemium model and maintained a strong focus on product....

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