[SOLVED] "Send tweet with timestamp" sketch hangs, shows no activity

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18

I got it working! I commented out

  if (Ethernet.begin(mac) == 0) {                           
    Serial.println("Failed to configure Ethernet using DHCP");
    // no point in carrying on, so do nothing forevermore:
    for(;;)                                                     
      Serial.println("infinite loop!");
      delay(1000);

in sendTweet() and that solved it. That statement was in the wrong place anyway. Thanks for all your help!