Business Week has a commentary by Vivek Wadhwa:
They have funny accents, occasionally dress in strange outfits, and some wear turbans and grow beards, yet Indians have been able to overcome stereotypes to become the U.S.’s most successful immigrant group. Not only are they leaving their mark in the field of technology, but also in real estate, journalism, literature, and entertainment. They run some of the most successful small businesses and lead a few of the largest corporations. Valuable lessons can be learned from their various successes.
