Brad Keywell, chief executive of Uptake Technologies has co-founded seven highly successful technology companies over a near-30 year career. Photograph: Qilai Shen/Bloomberg via Getty Images

Most tech entrepreneurs might dream of ending up with their companies listing on the Nasdaq, but Brad Keywell isn’t sure it’s always the right call to(...)

Rich Williams: “These days we’re a mobile company. Most of our transactions come through people browsing and searching on mobile devices rather than through emails. We failed to do enough to help people understand that transition.”

Everybody loves a bargain. And, for a short while, everyone loved Groupon, the daily deals company that promised large discounts on everything from b(...)

Groupon, which gets 160 million visitors globally per month, saw a drop in active customers to 48 million. Photograph: Daniel Acker/Bloomberg

Groupon forecast full-year revenue well below analyst expectations on Tuesday, hurt by a stronger dollar and weaker-than-expected billings, a key met(...)