Fischer doesn't notice Cobb in Inception because Cobb is an expert in the art of "inception," which involves planting an idea in someone's mind without them realizing it. Cobb uses his skills to manipulate Fischer's subconscious and create a dream world where Fischer's attention is diverted away from him. Additionally, Cobb is able to blend in with the dream environment and remain unnoticed by Fischer, allowing him to carry out his mission without being detected. **

Cobb gets to Saito in limbo in Inception by using the sedative to enter the dream state and then going through multiple dream levels to reach limbo. In the movie, Cobb and Ariadne go through several layers of dreams, each deeper than the last, until they reach limbo where Saito is. This journey involves navigating through various dream levels and facing different challenges in each level before finally reaching Saito in limbo. **

The popularity of cycling or skiing can vary depending on the location and time of year. In general, cycling tends to be more popular in urban areas and during the warmer months, while skiing is more popular in mountainous regions and during the winter. However, it's difficult to determine which activity is followed more overall without specific data on participation rates in different regions and seasons. **

The excitement level of ice hockey versus soccer is subjective and can vary depending on personal preferences. Ice hockey is known for its fast-paced, physical nature with constant action and scoring opportunities. On the other hand, soccer is a more strategic game with longer periods of build-up play and intense moments during goal-scoring opportunities. Both sports have passionate fan bases and offer unique thrills, making it difficult to definitively say which is more exciting. **

When Cobb asks people on the tracks just before the train, he typically asks them, "Are you here to stay or just passing through?" This question is meant to gauge their commitment to their current path and to provoke introspection about their choices. It serves as a metaphor for the characters' internal struggles and the decisions they must make in their lives. **

It is highly unlikely that soccer will replace American football, basketball, baseball, and ice hockey as the most popular sports in the USA. These sports have deep-rooted cultural and historical significance in American society, and they have large and dedicated fan bases. Additionally, American football, basketball, baseball, and ice hockey have well-established professional leagues and infrastructure in the USA, which would make it difficult for soccer to overtake them in popularity. While soccer has been growing in popularity in the USA, it is more likely to continue to coexist alongside these other sports rather than replace them. **

When Cobb asks people something just before the train, they typically respond with phrases like "What are you doing here?" or "Who are you?" or "What's going on?" These responses indicate confusion and surprise at Cobb's presence and the suddenness of the situation. The exact words may vary slightly depending on the individual's reaction, but the general theme is one of bewilderment and curiosity. **

When Cobb asks people on the tracks just before the train, they typically respond with confusion or disbelief. They may ask him what he's talking about or express their confusion about the situation. Some may even express fear or panic as they try to understand what is happening. Overall, their responses reflect their surprise and uncertainty about the situation. **