Given Apple's previous experiences with online services such as .Mac and MobileMe, one has to wonder why Apple shareholders would consider this a wise investmen

Given Apple's previous experiences with online services such as .Mac and MobileMe, one has to wonder why Apple shareholders would consider this a wise investment. One possibility is that this would contribute towards Apple's latest moves to position itself as more of lifestyle company as opposed to a hardware/computer company. Twitter would really strengthen them in that sense, since it's so highly visible right now.