I do not think that there is much difference between a conference presentation and an invited talk, though the latter may be very slightly more relaxed, since the audience may not be professional academics, but I still nervous all the same. I have particularly bad recollections of my first talk ever at the Ibero-Romance colloquium at Queen's College, Cambridge (2012), where I presented in front of many leading figures in our field (Professor Roger Wright, Professor Chris Pountain, Professor Dieter Wanner, Professor Ian Roberts, Professor Adam Ledgeway and his research students etc). They all knew that I was nervous, I think, as they went easy on me during the Q&A session, though some of the senior figures did have a quiet word with me during the breaks and told me not to do certain things, which left me rather red-faced...!. Nonetheless, it was an experience that I shall never forget, since I feel that I was born academically in that particular conference, which happened to take place at Cambridge (!).  No disrespect for Cambridge University as I have a lot of respect and many professional connections at its mathematics and linguistics faculties, but as an Oxonian I always feel uneasy going there (!). I did give a talk at Oxford (2013) at our wonderful Taylorian which I knew very well and was perfectly at east throughout. That was a much more pleasant and smooth experience, not only because I had one more year of conference experience but also because I did not feel cursed or possessed.