I seriuosly think that the thesis topic you choose should come by your learning experience only…..
you have spent so much time in the field of architecture….you have seen so much goin on around you,….you should look into yourself and ask yourself what you want to improvise upon…..
nobody can tell tell u YOUR thesis topic….they can only reflect their ideas …dont get intimidated by those…
wat ur friends can do for you is……take a questionaire from the people who know you and ask them "what should be sana’s ideal thesis topic….." this will reflect what all have they seen u doin in the past years…..ur areas of interest, even if you might have ignored them but they might have noticed the sparcle in your eyes…
unfortunately i cant help you in this matter ….since i definately dont know you…