European countries, the growth rate of Internet audiences is slowing, which ws number list also means that companies are (and will continue to) spend more money chasing less ws number list potential user". The original strategy of "casting a wide net" may no longer be effective.
First, with the penetration of the Internet in various industries, ws number list competitors have entered in each industry, so users are likely to have been ws number list caught in other people's nets; second The fish caught by "casting a wide net" may not be your target user, attracting 10 users to sign up, only to find that only one remains.
The popular python advertisement in the circle of friends is such ws number list an example, "friends who work in institutions, younger brothers and sisters who have just graduated from college, cute pet bloggers, game anchors, etc. have all received this", but what attracts everyone is not Python, but the comments under the advertisement, for a time, formed the illusion of " ws number list national comments".