Long the headquarters of giants like Sony and NTT DoCoMo, Tokyo is now also home to smaller Web startups and newly rich entrepreneurs.
How to get around: Taxis are expensive and can be slow in this traffic-choked city, but subways and commuter trains run often and on schedule.
Where to find free Wi-Fi: Cafe Miyama (Shinjuku Minamiguchi Bldg. B1, 2-8-5 Yoyogi, Shibuya-ku; 81-3-5565-1833) serves small eats, teas, and coffees.
Where to get a trim: Jennifer Hair & Beauty International (Sixth Floor, Roppongi Hills West Walk, 6-10-1 Roppongi, Minato-ku; 81-3-5770-3611) does a shampoo and cut for about $40.
Best place to get down to business: Suji's (3-1-5 Azabudai, Minato-ku; 81-3-3505-4490), serving American fare, is popular with professionals who work nearby.
Best place to celebrate closing the deal: Zuiho Tokyo (B1/1F DaVinchi Mita, 3-43-16 Shiba, Minato-ku; 81-3-3454-7737) offers traditional Japanese fare in a sophisticated, upscale setting.
What you might not know: Don't assume that executives will dress in stodgy, dark suits. Young entrepreneurs have a new uniform -- black T-shirts and khaki pants.