Prime Minister Lee Hsien Loong will deliver his National Day Rally speech on Sunday evening, at ITE Headquarters and College Central.
The rally will be broadcast live on local television channels and radio stations, but those unable to catch the broadcast can view or participate in other ways, a statement from the Prime Minister's Office on Wednesday said.
Smartphone users can watch a mobile webcast by going to www.ndr.sg on their devices' web browser.
Twitter users can share thoughts using the hash tag #ndrsg, and follow his official twitter account at https://twitter.com/leehsienloong.
There will also be live updates on PM Lee's Facebook page at www.facebook.com/leehsienloong as the speech is being delivered. Public discussions will take place on the Reach website and Facebook page as well.
Those who miss the live broadcast can watch the speech on the PMO YouTube channel (www.youtube.com/pmosingapore) from Monday. Videos of the full rally can also be viewed on the PMO website from then.