Since making a star-quality entrance a decade ago, Twitter has become a must-have tool for journalists, activists and celebrities but has struggled to show it can expand beyond its devoted "twitterati" to become a mainstream hit.
While Internet lovers might have trouble envisioning life without Twitter, the San Francisco-based company has seen its stock tank, a chief executive leave, and its staff cut.
Twitter's woes include a slump in its stock price to all-time lows this year - down nearly half from its 2013 stock market debut - and ongoing losses, even as its revenue grows.
The troubles have forced Twitter to bring back co-founder Jack Dorsey as chief executive, but that has not stemmed rumors about a possible buyout or merger.
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"It's not dead yet," independent analyst Rob Enderle of the Enderle Group said of Twitter.
"Watching all the metrics, you see they are not getting a lot worse but they don't seem to be getting better either."
"Eight weeks ago I would have said the days of Twitter are over; I don't say that anymore," Global Equities Research analyst Trip Chowdhry told AFP.
The analyst said Trump has shown how potent Twitter can be for those who embrace it.
"I think that probably the worst for Twitter is over," Chowdhry said. "This platform has legs."
Chowdhry said Indian Prime Minister Narendra Modi also used Twitter effectively to win his campaign and Tesla founder Elon Musk has been shaking up the auto sector with the help of the messaging platform.
An advantage of Twitter is that it lets users "amplify" messages with tweets that echo on the Internet, and assess public sentiment in real-time by getting quick feedback.
Trump has boosted the number of his followers to nearly seven million, and has managed to beat rivals with a campaign largely based around Twitter.
"I am pretty sure most of his followers are not on Twitter, but they know what he is saying on Twitter," analyst Omar Akhtar of the technology research firm Altimeter Group, said of Trump.