Set roughly 45 minutes aside, where you only write down ideas about the area that you have chosen.
Don't worry about how bad the ideas seem. Just write them down. Do this for about 10 days.
Teach it to a child. Write down what you know about the subject in plain language. This forces you to understand the concept at a deeper level and simplify relationships and connections between ideas. Review the gaps in your knowledge that you uncovered in step 1. Identifying the boundaries of your understanding limits possible mistakes and increase chances of success. Organize and Simplify your new set of hand-crafted notes. A good indication that your understanding in that area still needs some work is If the explanation isn’t simple or sounds confusing. (optional): Transmit. The ultimate test of your knowledge is your capacity to convey it to another.
Say it . Don't delay and don't try making excuses because that puts people in a place to ask more. Provide a brief explanation. Be assertive and courteous You might say, "I'm sorry I can't right now but will let you know when and if I can." This approach is polite, and puts you in a position of power by changing the dynamic. You're taking charge, telling people you'll let them know when and if you can. Understand peoples' tactics . Many people and organizations use manipulation techniques, whether knowingly or not. Set boundaries. When you truly understand the dynamic and your role, you won't feel as worried about the consequences of saying no. You'll realize that your relationship is solid and can withstand your saying no. Put the question back on the person asking. Let's say a supervisor is asking you to take on several tasks--more than you can handle. You might say, "I'm happy to do X, Y, and Z; however, I would need three weeks, rather than two, to do a good job. How would you like me to prioritize them?" Be firm . Stand firm, and don't feel compelled to give in just because that person is uncomfortable. Be selfish . Put your needs first. Not those of the person asking you for something.
Arrange and re-arranged your message onto the 9-up format - same size as sticky notes, until you are happy with the flow. Solicit feedback from effective presenters that you trust to give honest, unfiltered feedback on your narrative and slides. Rehearse with a great (honest) communicator - a coach that is not afraid to speak up. Make sure you articulate each point clearly. Your audience should understand what’s magnificent about your big idea. Practice with a clock counting up the minutes, to know how much you're over. Only then trim it down. Once you're within the timeframe, practice with a clock counting down. Know roughly where you should be at 6, 12 and 18 minutes. Be noteworthy. Let your coach jot down what you say well and what you don’t. Don’t be camera shy. Talk to the camera like there are humans on the other side of it. Practice by videotaping yourself. Do one more FULL timed rehearsal right before you walk on stage. Pick two natural places you could stop in your talk, then demarcate those as possible endings. You can then stop at your first ending point if you run over your time.
Set up a system where you focus on a specific project intensely for 25 minutes at a time, followed by a 5 minute break. Repeat this process 3–4 times and then take an extended break for about 10–15 minutes. However, while you are on a break do not suddenly shift to multi-tasking, do just one thing at a time. Preferably, give your eyes a break from the screen or do something that requires movement.